80745274 has 16 divisors (see below), whose sum is σ = 128569896. Its totient is φ = 37900800.

The previous prime is 80745253. The next prime is 80745281. The reversal of 80745274 is 47254708.

It can be written as a sum of positive squares in 4 ways, for example, as 75255625 + 5489649 = 8675^2 + 2343^2 .

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 7 ways as a sum of consecutive naturals, for example, 11494 + ... + 17134.

Almost surely, 2^80745274 is an apocalyptic number.

80745274 is a deficient number, since it is larger than the sum of its proper divisors (47824622).

80745274 is a wasteful number, since it uses less digits than its factorization.

80745274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 80745274 is about 8985.8374122838. The cubic root of 80745274 is about 432.2208411606.

The spelling of 80745274 in words is "eighty million, seven hundred forty-five thousand, two hundred seventy-four".