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72496632 = 23313317733
BaseRepresentation
bin1000101001000…
…11010111111000
312001102012200110
410110203113320
5122024343012
611105504320
71540132305
oct424432770
9161365613
1072496632
1137a1687a
12203420a0
1312034020
1498b20ac
15657073c
hex45235f8

72496632 has 64 divisors (see below), whose sum is σ = 196066080. Its totient is φ = 22205952.

The previous prime is 72496603. The next prime is 72496643. The reversal of 72496632 is 23669427.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98538 + ... + 99270.

Almost surely, 272496632 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 72496632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98033040).

72496632 is an abundant number, since it is smaller than the sum of its proper divisors (123569448).

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

72496632 is a wasteful number, since it uses less digits than its factorization.

72496632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1068 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 72496632 is about 8514.4954048963. The cubic root of 72496632 is about 416.9710887489.

The spelling of 72496632 in words is "seventy-two million, four hundred ninety-six thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 317 634 733 951 1268 1466 1902 2199 2536 2932 3804 4121 4398 5864 7608 8242 8796 9529 12363 16484 17592 19058 24726 28587 32968 38116 49452 57174 76232 98904 114348 228696 232361 464722 697083 929444 1394166 1858888 2788332 3020693 5576664 6041386 9062079 12082772 18124158 24165544 36248316 72496632