72863752 has 32 divisors (see below), whose sum is σ = 147493080. Its totient is φ = 33546240.

The previous prime is 72863741. The next prime is 72863779. The reversal of 72863752 is 25736827.

It can be written as a sum of positive squares in 4 ways, for example, as 72829156 + 34596 = 8534^2 + 186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66118 + ... + 67210.

Almost surely, 2^72863752 is an apocalyptic number.

It is an amenable number.

72863752 is an abundant number, since it is smaller than the sum of its proper divisors (74629328).

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

72863752 is a wasteful number, since it uses less digits than its factorization.

72863752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753 (or 1749 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 72863752 is about 8536.0267103612. The cubic root of 72863752 is about 417.6737455578.

The spelling of 72863752 in words is "seventy-two million, eight hundred sixty-three thousand, seven hundred fifty-two".