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72295968 = 25317311429
BaseRepresentation
bin1000100111100…
…10011000100000
312001001000102110
410103302120200
5122001432333
611101315320
71535335263
oct423623040
9161030373
1072295968
113789a038
1220265b40
1311c938a4
14985ccda
156531063
hex44f2620

72295968 has 96 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 21934080.

The previous prime is 72295933. The next prime is 72295973. The reversal of 72295968 is 86959227.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49878 + ... + 51306.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 272295968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72295968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

72295968 is an abundant number, since it is smaller than the sum of its proper divisors (135271392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72295968 is a wasteful number, since it uses less digits than its factorization.

72295968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1482 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 72295968 is about 8502.7035700417. The cubic root of 72295968 is about 416.5860207297.

The spelling of 72295968 in words is "seventy-two million, two hundred ninety-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 31 32 34 48 51 62 68 93 96 102 124 136 186 204 248 272 372 408 496 527 544 744 816 992 1054 1429 1488 1581 1632 2108 2858 2976 3162 4216 4287 5716 6324 8432 8574 11432 12648 16864 17148 22864 24293 25296 34296 44299 45728 48586 50592 68592 72879 88598 97172 132897 137184 145758 177196 194344 265794 291516 354392 388688 531588 583032 708784 753083 777376 1063176 1166064 1417568 1506166 2126352 2259249 2332128 3012332 4252704 4518498 6024664 9036996 12049328 18073992 24098656 36147984 72295968