80722976 has 12 divisors (see below), whose sum is σ = 158923422. Its totient is φ = 40361472.

The previous prime is 80722969. The next prime is 80722991. The reversal of 80722976 is 67922708.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 8880400 = 8476^2 + 2980^2 .

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 as a sum of consecutive naturals, namely, 1261265 + ... + 1261328.

Almost surely, 2^80722976 is an apocalyptic number.

It is an amenable number.

80722976 is a deficient number, since it is larger than the sum of its proper divisors (78200446).

80722976 is a wasteful number, since it uses less digits than its factorization.

80722976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522603 (or 2522595 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 80722976 is about 8984.5965963976. The cubic root of 80722976 is about 432.1810512256.

The spelling of 80722976 in words is "eighty million, seven hundred twenty-two thousand, nine hundred seventy-six".