72913028 has 24 divisors (see below), whose sum is σ = 129263904. Its totient is φ = 35984000.

The previous prime is 72913019. The next prime is 72913033. The reversal of 72913028 is 82031927.

It is a junction number, because it is equal to n+sod(n) for n = 72912985 and 72913003.

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, 181628 + ... + 182028.

It is an arithmetic number, because the mean of its divisors is an integer number (5385996).

Almost surely, 2^72913028 is an apocalyptic number.

It is an amenable number.

72913028 is a deficient number, since it is larger than the sum of its proper divisors (56350876).

72913028 is a wasteful number, since it uses less digits than its factorization.

72913028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 72913028 is about 8538.9125771377. The cubic root of 72913028 is about 417.7678785714.

The spelling of 72913028 in words is "seventy-two million, nine hundred thirteen thousand, twenty-eight".