72500752 has 20 divisors (see below), whose sum is σ = 143738320. Its totient is φ = 35407008.

The previous prime is 72500741. The next prime is 72500759. The reversal of 72500752 is 25700527.

It is a self number, because there is not a number n which added to its sum of digits gives 72500752.

It is not an unprimeable number, because it can be changed into a prime (72500759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52002 + ... + 53377.

It is an arithmetic number, because the mean of its divisors is an integer number (7186916).

Almost surely, 2^72500752 is an apocalyptic number.

It is an amenable number.

72500752 is a deficient number, since it is larger than the sum of its proper divisors (71237568).

72500752 is a wasteful number, since it uses less digits than its factorization.

72500752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105430 (or 105424 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 72500752 is about 8514.7373418092. The cubic root of 72500752 is about 416.9789874530.

The spelling of 72500752 in words is "seventy-two million, five hundred thousand, seven hundred fifty-two".