30750894 has 16 divisors (see below), whose sum is σ = 68335440. Its totient is φ = 10250280.

The previous prime is 30750871. The next prime is 30750901. The reversal of 30750894 is 49805703.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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, 284677 + ... + 284784.

It is an arithmetic number, because the mean of its divisors is an integer number (4270965).

Almost surely, 2^30750894 is an apocalyptic number.

30750894 is an abundant number, since it is smaller than the sum of its proper divisors (37584546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30750894 is a wasteful number, since it uses less digits than its factorization.

30750894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569472 (or 569466 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 30750894 is about 5545.3488618842. The cubic root of 30750894 is about 313.2943638976.

The spelling of 30750894 in words is "thirty million, seven hundred fifty thousand, eight hundred ninety-four".