80808732 has 48 divisors (see below), whose sum is σ = 216736800. Its totient is φ = 26006400.

The previous prime is 80808727. The next prime is 80808743. The reversal of 80808732 is 23780808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9769 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (4515350).

Almost surely, 2^80808732 is an apocalyptic number.

It is an amenable number.

80808732 is an abundant number, since it is smaller than the sum of its proper divisors (135928068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80808732 is a wasteful number, since it uses less digits than its factorization.

80808732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843 (or 25835 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 80808732 is about 8989.3677197009. The cubic root of 80808732 is about 432.3340394804.

The spelling of 80808732 in words is "eighty million, eight hundred eight thousand, seven hundred thirty-two".