72755264 has 28 divisors (see below), whose sum is σ = 149035008. Its totient is φ = 35203200.

The previous prime is 72755261. The next prime is 72755281. The reversal of 72755264 is 46255727.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72755261) 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, 16352 + ... + 20319.

Almost surely, 2^72755264 is an apocalyptic number.

It is an amenable number.

72755264 is an abundant number, since it is smaller than the sum of its proper divisors (76279744).

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

72755264 is a wasteful number, since it uses less digits than its factorization.

72755264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36714 (or 36704 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 72755264 is about 8529.6696301791. The cubic root of 72755264 is about 417.4663488959.

The spelling of 72755264 in words is "seventy-two million, seven hundred fifty-five thousand, two hundred sixty-four".