28772092 has 24 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 13102080.

The previous prime is 28772077. The next prime is 28772141. The reversal of 28772092 is 29027782.

It is a hoax number, since the sum of its digits (37) 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 7 ways as a sum of consecutive naturals, for example, 4717 + ... + 8932.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^28772092 is an apocalyptic number.

It is an amenable number.

28772092 is a deficient number, since it is larger than the sum of its proper divisors (26264708).

28772092 is a wasteful number, since it uses less digits than its factorization.

28772092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701 (or 13699 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 28772092 is about 5363.9623414040. The cubic root of 28772092 is about 306.4247309422.

The spelling of 28772092 in words is "twenty-eight million, seven hundred seventy-two thousand, ninety-two".