30641634 has 12 divisors (see below), whose sum is σ = 66390246. Its totient is φ = 10213872.

The previous prime is 30641629. The next prime is 30641641. The reversal of 30641634 is 43614603.

It can be written as a sum of positive squares in only one way, i.e., 26040609 + 4601025 = 5103^2 + 2145^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30641598 and 30641607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851139 + ... + 851174.

Almost surely, 2^30641634 is an apocalyptic number.

30641634 is an abundant number, since it is smaller than the sum of its proper divisors (35748612).

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

30641634 is a wasteful number, since it uses less digits than its factorization.

30641634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702321 (or 1702318 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30641634 is about 5535.4885963210. The cubic root of 30641634 is about 312.9228715701.

The spelling of 30641634 in words is "thirty million, six hundred forty-one thousand, six hundred thirty-four".