72536788 has 6 divisors (see below), whose sum is σ = 126939386. Its totient is φ = 36268392.

The previous prime is 72536777. The next prime is 72536791. The reversal of 72536788 is 88763527.

It can be written as a sum of positive squares in only one way, i.e., 40297104 + 32239684 = 6348^2 + 5678^2 .

It is a super-2 number, since 2×72536788² = 10523171226713888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9067095 + ... + 9067102.

Almost surely, 2^72536788 is an apocalyptic number.

It is an amenable number.

72536788 is a deficient number, since it is larger than the sum of its proper divisors (54402598).

72536788 is a wasteful number, since it uses less digits than its factorization.

72536788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18134201 (or 18134199 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 72536788 is about 8516.8531747354. The cubic root of 72536788 is about 417.0480615224.

It can be divided in two parts, 7253 and 6788, that added together give a palindrome (14041).

The spelling of 72536788 in words is "seventy-two million, five hundred thirty-six thousand, seven hundred eighty-eight".