85674536 has 32 divisors (see below), whose sum is σ = 165803880. Its totient is φ = 41472000.

The previous prime is 85674529. The next prime is 85674539. The reversal of 85674536 is 63547658.

It can be written as a sum of positive squares in 4 ways, for example, as 72352036 + 13322500 = 8506^2 + 3650^2 .

It is a super-2 number, since 2×85674536² = 14680252237630592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85674539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70736 + ... + 71936.

Almost surely, 2^85674536 is an apocalyptic number.

It is an amenable number.

85674536 is a deficient number, since it is larger than the sum of its proper divisors (80129344).

85674536 is a wasteful number, since it uses less digits than its factorization.

85674536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1481 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 85674536 is about 9256.0540188571. The cubic root of 85674536 is about 440.8429707462.

The spelling of 85674536 in words is "eighty-five million, six hundred seventy-four thousand, five hundred thirty-six".