800666074 has 16 divisors (see below), whose sum is σ = 1295680680. Its totient is φ = 368881920.

The previous prime is 800666059. The next prime is 800666089. The reversal of 800666074 is 470666008.

It is an interprime number because it is at equal distance from previous prime (800666059) and next prime (800666089).

It can be written as a sum of positive squares in 4 ways, for example, as 126900225 + 673765849 = 11265^2 + 25957^2 .

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, 12267 + ... + 41854.

Almost surely, 2^800666074 is an apocalyptic number.

800666074 is a deficient number, since it is larger than the sum of its proper divisors (495014606).

800666074 is a wasteful number, since it uses less digits than its factorization.

800666074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54705.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 800666074 is about 28296.0434336675. The cubic root of 800666074 is about 928.5753320569.

The spelling of 800666074 in words is "eight hundred million, six hundred sixty-six thousand, seventy-four".