30474864 has 120 divisors (see below), whose sum is σ = 99621600. Its totient is φ = 8692992.

The previous prime is 30474859. The next prime is 30474887. The reversal of 30474864 is 46847403.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49084 + ... + 49700.

It is an arithmetic number, because the mean of its divisors is an integer number (830180).

Almost surely, 2^30474864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30474864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49810800).

30474864 is an abundant number, since it is smaller than the sum of its proper divisors (69146736).

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

30474864 is a wasteful number, since it uses less digits than its factorization.

30474864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 30474864 is about 5520.4043330176. The cubic root of 30474864 is about 312.3541343782.

The spelling of 30474864 in words is "thirty million, four hundred seventy-four thousand, eight hundred sixty-four".