30868375 has 8 divisors (see below), whose sum is σ = 38523888. Its totient is φ = 24694600.

The previous prime is 30868351. The next prime is 30868391. The reversal of 30868375 is 57386803.

It is a de Polignac number, because none of the positive numbers 2^k-30868375 is a prime.

It is a Duffinian 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, 123349 + ... + 123598.

It is an arithmetic number, because the mean of its divisors is an integer number (4815486).

Almost surely, 2^30868375 is an apocalyptic number.

30868375 is a deficient number, since it is larger than the sum of its proper divisors (7655513).

30868375 is an equidigital number, since it uses as much as digits as its factorization.

30868375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246962 (or 246952 counting only the distinct ones).

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

The square root of 30868375 is about 5555.9315150567. The cubic root of 30868375 is about 313.6928277915.

The spelling of 30868375 in words is "thirty million, eight hundred sixty-eight thousand, three hundred seventy-five".