80712832 has 32 divisors (see below), whose sum is σ = 161307900. Its totient is φ = 40227840.

The previous prime is 80712811. The next prime is 80712851. The reversal of 80712832 is 23821708.

It can be written as a sum of positive squares in 2 ways, for example, as 80712256 + 576 = 8984^2 + 24^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×80712832² = 13029122498920448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80712794 and 80712803.

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 3 ways as a sum of consecutive naturals, for example, 48982 + ... + 50602.

Almost surely, 2^80712832 is an apocalyptic number.

It is an amenable number.

80712832 is a deficient number, since it is larger than the sum of its proper divisors (80595068).

80712832 is a wasteful number, since it uses less digits than its factorization.

80712832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80712832 is about 8984.0320569330. The cubic root of 80712832 is about 432.1629472175.

The spelling of 80712832 in words is "eighty million, seven hundred twelve thousand, eight hundred thirty-two".