28572652 has 6 divisors (see below), whose sum is σ = 50002148. Its totient is φ = 14286324.

The previous prime is 28572623. The next prime is 28572679. The reversal of 28572652 is 25627582.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571578 + ... + 3571585.

Almost surely, 2^28572652 is an apocalyptic number.

It is an amenable number.

28572652 is a deficient number, since it is larger than the sum of its proper divisors (21429496).

28572652 is a wasteful number, since it uses less digits than its factorization.

28572652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143167 (or 7143165 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 28572652 is about 5345.3392782872. The cubic root of 28572652 is about 305.7150721814.

The spelling of 28572652 in words is "twenty-eight million, five hundred seventy-two thousand, six hundred fifty-two".