85506974 has 32 divisors (see below), whose sum is σ = 155748096. Its totient is φ = 34369920.

The previous prime is 85506947. The next prime is 85506983. The reversal of 85506974 is 47960558.

It is a super-2 number, since 2×85506974² = 14622885205273352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105029 + ... + 105839.

It is an arithmetic number, because the mean of its divisors is an integer number (4867128).

Almost surely, 2^85506974 is an apocalyptic number.

85506974 is a deficient number, since it is larger than the sum of its proper divisors (70241122).

85506974 is a wasteful number, since it uses less digits than its factorization.

85506974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 85506974 is about 9246.9981074941. The cubic root of 85506974 is about 440.5553833914. Note that the first 3 decimals are identical.

The spelling of 85506974 in words is "eighty-five million, five hundred six thousand, nine hundred seventy-four".