28767532 has 12 divisors (see below), whose sum is σ = 50740480. Its totient is φ = 14270256.

The previous prime is 28767511. The next prime is 28767547. The reversal of 28767532 is 23576782.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct 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, 27807 + ... + 28822.

Almost surely, 2^28767532 is an apocalyptic number.

It is an amenable number.

28767532 is a deficient number, since it is larger than the sum of its proper divisors (21972948).

28767532 is a wasteful number, since it uses less digits than its factorization.

28767532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56760 (or 56758 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 28767532 is about 5363.5372656485. The cubic root of 28767532 is about 306.4085419838.

The spelling of 28767532 in words is "twenty-eight million, seven hundred sixty-seven thousand, five hundred thirty-two".