30916974 has 16 divisors (see below), whose sum is σ = 67455360. Its totient is φ = 9368760.

The previous prime is 30916969. The next prime is 30916981. The reversal of 30916974 is 47961903.

It is a Curzon number.

It is a congruent number.

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, 234154 + ... + 234285.

It is an arithmetic number, because the mean of its divisors is an integer number (4215960).

Almost surely, 2^30916974 is an apocalyptic number.

30916974 is an abundant number, since it is smaller than the sum of its proper divisors (36538386).

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

30916974 is a wasteful number, since it uses less digits than its factorization.

30916974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468455.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 30916974 is about 5560.3034089877. The cubic root of 30916974 is about 313.8573668934.

The spelling of 30916974 in words is "thirty million, nine hundred sixteen thousand, nine hundred seventy-four".