72927276 has 24 divisors (see below), whose sum is σ = 170526720. Its totient is φ = 24257232.

The previous prime is 72927251. The next prime is 72927287. The reversal of 72927276 is 67272927.

It is an alternating number because its digits alternate between odd and even.

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, 396 + ... + 12083.

It is an arithmetic number, because the mean of its divisors is an integer number (7105280).

Almost surely, 2^72927276 is an apocalyptic number.

It is an amenable number.

72927276 is an abundant number, since it is smaller than the sum of its proper divisors (97599444).

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

72927276 is a wasteful number, since it uses less digits than its factorization.

72927276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973 (or 12971 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 72927276 is about 8539.7468346550. The cubic root of 72927276 is about 417.7950889307.

The spelling of 72927276 in words is "seventy-two million, nine hundred twenty-seven thousand, two hundred seventy-six".