30722672 has 20 divisors (see below), whose sum is σ = 63027216. Its totient is φ = 14457600.

The previous prime is 30722663. The next prime is 30722701. The reversal of 30722672 is 27622703.

It is a hoax number, since the sum of its digits (29) 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, 56204 + ... + 56747.

Almost surely, 2^30722672 is an apocalyptic number.

It is an amenable number.

30722672 is an abundant number, since it is smaller than the sum of its proper divisors (32304544).

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

30722672 is a wasteful number, since it uses less digits than its factorization.

30722672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112976 (or 112970 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 30722672 is about 5542.8036227166. The cubic root of 30722672 is about 313.1984913483.

The spelling of 30722672 in words is "thirty million, seven hundred twenty-two thousand, six hundred seventy-two".