28622752 has 24 divisors (see below), whose sum is σ = 56802816. Its totient is φ = 14196672.

The previous prime is 28622743. The next prime is 28622771. The reversal of 28622752 is 25722682.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 543 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (2366784).

Almost surely, 2^28622752 is an apocalyptic number.

It is an amenable number.

28622752 is a deficient number, since it is larger than the sum of its proper divisors (28180064).

28622752 is a wasteful number, since it uses less digits than its factorization.

28622752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180 (or 7172 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 28622752 is about 5350.0235513500. The cubic root of 28622752 is about 305.8936506559.

The spelling of 28622752 in words is "twenty-eight million, six hundred twenty-two thousand, seven hundred fifty-two".