85570730074 has 16 divisors (see below), whose sum is σ = 129597774120. Its totient is φ = 42372090880.

The previous prime is 85570730039. The next prime is 85570730083. The reversal of 85570730074 is 47003707558.

It can be written as a sum of positive squares in 4 ways, for example, as 70068737025 + 15501993049 = 264705^2 + 124507^2 .

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, 123714 + ... + 431794.

Almost surely, 2^85570730074 is an apocalyptic number.

85570730074 is a deficient number, since it is larger than the sum of its proper divisors (44027044046).

85570730074 is a wasteful number, since it uses less digits than its factorization.

85570730074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309425.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 85570730074 in words is "eighty-five billion, five hundred seventy million, seven hundred thirty thousand, seventy-four".