30928074 has 16 divisors (see below), whose sum is σ = 61938912. Its totient is φ = 10295568.

The previous prime is 30928043. The next prime is 30928081. The reversal of 30928074 is 47082903.

It is a super-2 number, since 2×30928074² = 1913091522698952, which contains 22 as substring.

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, 2097 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (3871182).

Almost surely, 2^30928074 is an apocalyptic number.

30928074 is an abundant number, since it is smaller than the sum of its proper divisors (31010838).

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

30928074 is a wasteful number, since it uses less digits than its factorization.

30928074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 30928074 is about 5561.3014663836. The cubic root of 30928074 is about 313.8949233926.

The spelling of 30928074 in words is "thirty million, nine hundred twenty-eight thousand, seventy-four".