30873772 has 24 divisors (see below), whose sum is σ = 55502496. Its totient is φ = 15020928.

The previous prime is 30873769. The next prime is 30873793. The reversal of 30873772 is 27737803.

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 7 ways as a sum of consecutive naturals, for example, 28513 + ... + 29575.

It is an arithmetic number, because the mean of its divisors is an integer number (2312604).

Almost surely, 2^30873772 is an apocalyptic number.

It is an amenable number.

30873772 is a deficient number, since it is larger than the sum of its proper divisors (24628724).

30873772 is a wasteful number, since it uses less digits than its factorization.

30873772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 30873772 is about 5556.4171909604. The cubic root of 30873772 is about 313.7111086538.

It can be divided in two parts, 3087 and 3772, that added together give a cube (6859 = 19³).

The spelling of 30873772 in words is "thirty million, eight hundred seventy-three thousand, seven hundred seventy-two".