30630974 has 16 divisors (see below), whose sum is σ = 53072496. Its totient is φ = 13104000.

The previous prime is 30630961. The next prime is 30631001. The reversal of 30630974 is 47903603.

It is a self number, because there is not a number n which added to its sum of digits gives 30630974.

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, 40577 + ... + 41324.

It is an arithmetic number, because the mean of its divisors is an integer number (3317031).

Almost surely, 2^30630974 is an apocalyptic number.

30630974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30630974 is a deficient number, since it is larger than the sum of its proper divisors (22441522).

30630974 is a wasteful number, since it uses less digits than its factorization.

30630974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81931.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30630974 is about 5534.5256345960. The cubic root of 30630974 is about 312.8865795029.

The spelling of 30630974 in words is "thirty million, six hundred thirty thousand, nine hundred seventy-four".