30874772 has 12 divisors (see below), whose sum is σ = 56874720. Its totient is φ = 14624856.

The previous prime is 30874769. The next prime is 30874783. The reversal of 30874772 is 27747803.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203048 + ... + 203199.

It is an arithmetic number, because the mean of its divisors is an integer number (4739560).

Almost surely, 2^30874772 is an apocalyptic number.

It is an amenable number.

30874772 is a deficient number, since it is larger than the sum of its proper divisors (25999948).

30874772 is a wasteful number, since it uses less digits than its factorization.

30874772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406270 (or 406268 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 30874772 is about 5556.5071762754. The cubic root of 30874772 is about 313.7144956465.

The spelling of 30874772 in words is "thirty million, eight hundred seventy-four thousand, seven hundred seventy-two".