28762372 has 6 divisors (see below), whose sum is σ = 50334158. Its totient is φ = 14381184.

The previous prime is 28762369. The next prime is 28762373. The reversal of 28762372 is 27326782.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 1052676 = 5264^2 + 1026^2 .

It is not an unprimeable number, because it can be changed into a prime (28762373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3595293 + ... + 3595300.

Almost surely, 2^28762372 is an apocalyptic number.

It is an amenable number.

28762372 is a deficient number, since it is larger than the sum of its proper divisors (21571786).

28762372 is a wasteful number, since it uses less digits than its factorization.

28762372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190597 (or 7190595 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 28762372 is about 5363.0562182397. The cubic root of 28762372 is about 306.3902208360.

The spelling of 28762372 in words is "twenty-eight million, seven hundred sixty-two thousand, three hundred seventy-two".