28542576 has 20 divisors (see below), whose sum is σ = 73735112. Its totient is φ = 9514176.

The previous prime is 28542551. The next prime is 28542581. The reversal of 28542576 is 67524582.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 297271 + ... + 297366.

Almost surely, 2^28542576 is an apocalyptic number.

It is an amenable number.

28542576 is an abundant number, since it is smaller than the sum of its proper divisors (45192536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28542576 is a wasteful number, since it uses less digits than its factorization.

28542576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594648 (or 594642 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 28542576 is about 5342.5252456119. The cubic root of 28542576 is about 305.6077677731.

The spelling of 28542576 in words is "twenty-eight million, five hundred forty-two thousand, five hundred seventy-six".