30201872 has 10 divisors (see below), whose sum is σ = 58516158. Its totient is φ = 15100928.

The previous prime is 30201863. The next prime is 30201889. The reversal of 30201872 is 27810203.

It can be written as a sum of positive squares in only one way, i.e., 29986576 + 215296 = 5476^2 + 464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943793 + ... + 943824.

Almost surely, 2^30201872 is an apocalyptic number.

It is an amenable number.

30201872 is a deficient number, since it is larger than the sum of its proper divisors (28314286).

30201872 is a wasteful number, since it uses less digits than its factorization.

30201872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887625 (or 1887619 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 30201872 is about 5495.6229856132. The cubic root of 30201872 is about 311.4186522746.

The spelling of 30201872 in words is "thirty million, two hundred one thousand, eight hundred seventy-two".