30772402 has 8 divisors (see below), whose sum is σ = 46237212. Its totient is φ = 15360000.

The previous prime is 30772361. The next prime is 30772411. The reversal of 30772402 is 20427703.

It can be written as a sum of positive squares in 2 ways, for example, as 21706281 + 9066121 = 4659^2 + 3011^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11599 + ... + 14002.

Almost surely, 2^30772402 is an apocalyptic number.

30772402 is a deficient number, since it is larger than the sum of its proper divisors (15464810).

30772402 is a wasteful number, since it uses less digits than its factorization.

30772402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26204.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 30772402 is about 5547.2878057660. The cubic root of 30772402 is about 313.3673890352.

The spelling of 30772402 in words is "thirty million, seven hundred seventy-two thousand, four hundred two".