80575690 has 16 divisors (see below), whose sum is σ = 156193128. Its totient is φ = 29750976.

The previous prime is 80575687. The next prime is 80575709. The reversal of 80575690 is 9657508.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70006689 + 10569001 = 8367^2 + 3251^2 .

It is a super-2 number, since 2×80575690² = 12984883637952200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309777 + ... + 310036.

Almost surely, 2^80575690 is an apocalyptic number.

80575690 is a deficient number, since it is larger than the sum of its proper divisors (75617438).

80575690 is a wasteful number, since it uses less digits than its factorization.

80575690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619833.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 80575690 is about 8976.3962702189. The cubic root of 80575690 is about 431.9180407216.

The spelling of 80575690 in words is "eighty million, five hundred seventy-five thousand, six hundred ninety".