30772612 has 24 divisors (see below), whose sum is σ = 58518936. Its totient is φ = 14074368.

The previous prime is 30772603. The next prime is 30772619. The reversal of 30772612 is 21627703.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 30625156 = 384^2 + 5534^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30772619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3258 + ... + 8494.

It is an arithmetic number, because the mean of its divisors is an integer number (2438289).

Almost surely, 2^30772612 is an apocalyptic number.

It is an amenable number.

30772612 is a deficient number, since it is larger than the sum of its proper divisors (27746324).

30772612 is a wasteful number, since it uses less digits than its factorization.

30772612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 30772612 is about 5547.3067339025. The cubic root of 30772612 is about 313.3681018709.

The spelling of 30772612 in words is "thirty million, seven hundred seventy-two thousand, six hundred twelve".