28732052 has 12 divisors (see below), whose sum is σ = 50321376. Its totient is φ = 14354520.

The previous prime is 28732049. The next prime is 28732061. The reversal of 28732052 is 25023782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363 + ... + 9285.

It is an arithmetic number, because the mean of its divisors is an integer number (4193448).

Almost surely, 2^28732052 is an apocalyptic number.

It is an amenable number.

28732052 is a deficient number, since it is larger than the sum of its proper divisors (21589324).

28732052 is a wasteful number, since it uses less digits than its factorization.

28732052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758 (or 5756 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 28732052 is about 5360.2287264631. The cubic root of 28732052 is about 306.2825220495.

The spelling of 28732052 in words is "twenty-eight million, seven hundred thirty-two thousand, fifty-two".