72927860 has 12 divisors (see below), whose sum is σ = 153148548. Its totient is φ = 29171136.

The previous prime is 72927859. The next prime is 72927887. The reversal of 72927860 is 6872927.

It can be written as a sum of positive squares in 2 ways, for example, as 55920484 + 17007376 = 7478^2 + 4124^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823177 + ... + 1823216.

It is an arithmetic number, because the mean of its divisors is an integer number (12762379).

Almost surely, 2^72927860 is an apocalyptic number.

It is an amenable number.

72927860 is an abundant number, since it is smaller than the sum of its proper divisors (80220688).

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

72927860 is a wasteful number, since it uses less digits than its factorization.

72927860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646402 (or 3646400 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 72927860 is about 8539.7810276377. The cubic root of 72927860 is about 417.7962041589.

The spelling of 72927860 in words is "seventy-two million, nine hundred twenty-seven thousand, eight hundred sixty".