72549268 has 48 divisors (see below), whose sum is σ = 153062784. Its totient is φ = 29680640.

The previous prime is 72549263. The next prime is 72549283. The reversal of 72549268 is 86294527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72549263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15096 + ... + 19312.

It is an arithmetic number, because the mean of its divisors is an integer number (3188808).

Almost surely, 2^72549268 is an apocalyptic number.

It is an amenable number.

72549268 is an abundant number, since it is smaller than the sum of its proper divisors (80513516).

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

72549268 is a wasteful number, since it uses less digits than its factorization.

72549268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4270 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 72549268 is about 8517.5858081971. The cubic root of 72549268 is about 417.0719779446.

The spelling of 72549268 in words is "seventy-two million, five hundred forty-nine thousand, two hundred sixty-eight".