30690474 has 32 divisors (see below), whose sum is σ = 65370240. Its totient is φ = 9572352.

The previous prime is 30690469. The next prime is 30690521. The reversal of 30690474 is 47409603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18907 + ... + 20465.

It is an arithmetic number, because the mean of its divisors is an integer number (2042820).

Almost surely, 2^30690474 is an apocalyptic number.

30690474 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30690474 is an abundant number, since it is smaller than the sum of its proper divisors (34679766).

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

30690474 is a wasteful number, since it uses less digits than its factorization.

30690474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 30690474 is about 5539.8983745192. The cubic root of 30690474 is about 313.0890402568.

The spelling of 30690474 in words is "thirty million, six hundred ninety thousand, four hundred seventy-four".