30632868 has 36 divisors (see below), whose sum is σ = 88495680. Its totient is φ = 8752176.

The previous prime is 30632851. The next prime is 30632881. The reversal of 30632868 is 86823603.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60528 + ... + 61031.

Almost surely, 2^30632868 is an apocalyptic number.

It is an amenable number.

30632868 is an abundant number, since it is smaller than the sum of its proper divisors (57862812).

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

30632868 is a wasteful number, since it uses less digits than its factorization.

30632868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121576 (or 121571 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30632868 is about 5534.6967396597. The cubic root of 30632868 is about 312.8930282582.

The spelling of 30632868 in words is "thirty million, six hundred thirty-two thousand, eight hundred sixty-eight".