30753868 has 24 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 14998800.

The previous prime is 30753847. The next prime is 30753887. The reversal of 30753868 is 86835703.

It is a super-2 number, since 2×30753868² = 1891600793922848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30753868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35205 + ... + 36067.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^30753868 is an apocalyptic number.

It is an amenable number.

30753868 is a deficient number, since it is larger than the sum of its proper divisors (24403892).

30753868 is a wasteful number, since it uses less digits than its factorization.

30753868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 30753868 is about 5545.6170080524. The cubic root of 30753868 is about 313.3044634132.

The spelling of 30753868 in words is "thirty million, seven hundred fifty-three thousand, eight hundred sixty-eight".