30772306 has 16 divisors (see below), whose sum is σ = 48015000. Its totient is φ = 14773248.

The previous prime is 30772289. The next prime is 30772319. The reversal of 30772306 is 60327703.

It can be written as a sum of positive squares in 4 ways, for example, as 17015625 + 13756681 = 4125^2 + 3709^2 .

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, 9820 + ... + 12568.

Almost surely, 2^30772306 is an apocalyptic number.

30772306 is a deficient number, since it is larger than the sum of its proper divisors (17242694).

30772306 is a wasteful number, since it uses less digits than its factorization.

30772306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 30772306 is about 5547.2791528821. The cubic root of 30772306 is about 313.3670631664.

The spelling of 30772306 in words is "thirty million, seven hundred seventy-two thousand, three hundred six".