72559752 has 32 divisors (see below), whose sum is σ = 181630080. Its totient is φ = 24155840.

The previous prime is 72559717. The next prime is 72559759. The reversal of 72559752 is 25795527.

It is a happy number.

It is a super-2 number, since 2×72559752² = 10529835220603008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72559759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25102 + ... + 27842.

It is an arithmetic number, because the mean of its divisors is an integer number (5675940).

Almost surely, 2^72559752 is an apocalyptic number.

It is an amenable number.

72559752 is an abundant number, since it is smaller than the sum of its proper divisors (109070328).

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

72559752 is a wasteful number, since it uses less digits than its factorization.

72559752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853 (or 3849 counting only the distinct ones).

The product of its digits is 220500, while the sum is 42.

The square root of 72559752 is about 8518.2012185672. The cubic root of 72559752 is about 417.0920671526.

The spelling of 72559752 in words is "seventy-two million, five hundred fifty-nine thousand, seven hundred fifty-two".