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73620768 = 2531358991
BaseRepresentation
bin1000110001101…
…01110100100000
312010112022201010
410120311310200
5122321331033
611145540520
71552523544
oct430656440
9163468633
1073620768
1138614411
12207a4740
13123388b0
149ac5a24
1566e3863
hex4635d20

73620768 has 48 divisors (see below), whose sum is σ = 208123776. Its totient is φ = 22652160.

The previous prime is 73620737. The next prime is 73620797. The reversal of 73620768 is 86702637.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28248 + ... + 30743.

It is an arithmetic number, because the mean of its divisors is an integer number (4335912).

Almost surely, 273620768 is an apocalyptic number.

73620768 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

73620768 is an abundant number, since it is smaller than the sum of its proper divisors (134503008).

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

73620768 is a wasteful number, since it uses less digits than its factorization.

73620768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59017 (or 59009 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 73620768 is about 8580.2545416788. The cubic root of 73620768 is about 419.1152349832.

The spelling of 73620768 in words is "seventy-three million, six hundred twenty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 58991 117982 176973 235964 353946 471928 707892 766883 943856 1415784 1533766 1887712 2300649 2831568 3067532 4601298 5663136 6135064 9202596 12270128 18405192 24540256 36810384 73620768