80745794 has 4 divisors (see below), whose sum is σ = 121118694. Its totient is φ = 40372896.

The previous prime is 80745781. The next prime is 80745809. The reversal of 80745794 is 49754708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 24870169 = 7475^2 + 4987^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20186447 + ... + 20186450.

Almost surely, 2^80745794 is an apocalyptic number.

80745794 is a deficient number, since it is larger than the sum of its proper divisors (40372900).

80745794 is a wasteful number, since it uses less digits than its factorization.

80745794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40372899.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 80745794 is about 8985.8663466580. The cubic root of 80745794 is about 432.2217689934.

The spelling of 80745794 in words is "eighty million, seven hundred forty-five thousand, seven hundred ninety-four".