80713744 has 20 divisors (see below), whose sum is σ = 158142780. Its totient is φ = 39902720.

The previous prime is 80713741. The next prime is 80713751. The reversal of 80713744 is 44731708.

It can be written as a sum of positive squares in 2 ways, for example, as 27248400 + 53465344 = 5220^2 + 7312^2 .

It is not an unprimeable number, because it can be changed into a prime (80713741) 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 in 3 ways as a sum of consecutive naturals, for example, 26917 + ... + 29764.

It is an arithmetic number, because the mean of its divisors is an integer number (7907139).

Almost surely, 2^80713744 is an apocalyptic number.

It is an amenable number.

80713744 is a deficient number, since it is larger than the sum of its proper divisors (77429036).

80713744 is a wasteful number, since it uses less digits than its factorization.

80713744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56778 (or 56772 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 80713744 is about 8984.0828135097. The cubic root of 80713744 is about 432.1645749270.

The spelling of 80713744 in words is "eighty million, seven hundred thirteen thousand, seven hundred forty-four".