85740584 has 16 divisors (see below), whose sum is σ = 160862100. Its totient is φ = 42844032.

The previous prime is 85740583. The next prime is 85740607. The reversal of 85740584 is 48504758.

It can be written as a sum of positive squares in 2 ways, for example, as 85562500 + 178084 = 9250^2 + 422^2 .

It is a super-2 number, since 2×85740584² = 14702895489322112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85740583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22532 + ... + 26060.

Almost surely, 2^85740584 is an apocalyptic number.

It is an amenable number.

85740584 is a deficient number, since it is larger than the sum of its proper divisors (75121516).

85740584 is a wasteful number, since it uses less digits than its factorization.

85740584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 85740584 is about 9259.6211585572. The cubic root of 85740584 is about 440.9562261695.

The spelling of 85740584 in words is "eighty-five million, seven hundred forty thousand, five hundred eighty-four".