30950972 has 24 divisors (see below), whose sum is σ = 58508352. Its totient is φ = 14241600.

The previous prime is 30950951. The next prime is 30951007. The reversal of 30950972 is 27905903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21722 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (2437848).

Almost surely, 2^30950972 is an apocalyptic number.

It is an amenable number.

30950972 is a deficient number, since it is larger than the sum of its proper divisors (27557380).

30950972 is a wasteful number, since it uses less digits than its factorization.

30950972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 30950972 is about 5563.3597762503. The cubic root of 30950972 is about 313.9723696731.

The spelling of 30950972 in words is "thirty million, nine hundred fifty thousand, nine hundred seventy-two".