30306874 has 32 divisors (see below), whose sum is σ = 50528016. Its totient is φ = 13547520.

The previous prime is 30306863. The next prime is 30306877. The reversal of 30306874 is 47860303.

It can be written as a sum of positive squares in 8 ways, for example, as 9211225 + 21095649 = 3035^2 + 4593^2 .

It is a super-2 number, since 2×30306874² = 1837013223303752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30306877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153744 + ... + 153940.

Almost surely, 2^30306874 is an apocalyptic number.

30306874 is a deficient number, since it is larger than the sum of its proper divisors (20221142).

30306874 is a wasteful number, since it uses less digits than its factorization.

30306874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30306874 is about 5505.1679356764. The cubic root of 30306874 is about 311.7791349970.

The spelling of 30306874 in words is "thirty million, three hundred six thousand, eight hundred seventy-four".