30788252 has 12 divisors (see below), whose sum is σ = 58777656. Its totient is φ = 13994640.

The previous prime is 30788213. The next prime is 30788267. The reversal of 30788252 is 25288703.

It is a happy number.

It is a super-2 number, since 2×30788252² = 1895832922431008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349823 + ... + 349910.

It is an arithmetic number, because the mean of its divisors is an integer number (4898138).

Almost surely, 2^30788252 is an apocalyptic number.

It is an amenable number.

30788252 is a deficient number, since it is larger than the sum of its proper divisors (27989404).

30788252 is a wasteful number, since it uses less digits than its factorization.

30788252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699748 (or 699746 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 30788252 is about 5548.7162479262. The cubic root of 30788252 is about 313.4211820475.

The spelling of 30788252 in words is "thirty million, seven hundred eighty-eight thousand, two hundred fifty-two".