28370572 has 12 divisors (see below), whose sum is σ = 52261720. Its totient is φ = 13438656.

The previous prime is 28370557. The next prime is 28370621. The reversal of 28370572 is 27507382.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186573 + ... + 186724.

Almost surely, 2^28370572 is an apocalyptic number.

It is an amenable number.

28370572 is a deficient number, since it is larger than the sum of its proper divisors (23891148).

28370572 is a wasteful number, since it uses less digits than its factorization.

28370572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373320 (or 373318 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 28370572 is about 5326.4032892750. The cubic root of 28370572 is about 304.9926433772.

The spelling of 28370572 in words is "twenty-eight million, three hundred seventy thousand, five hundred seventy-two".