85613572 has 12 divisors (see below), whose sum is σ = 163444176. Its totient is φ = 38915240.

The previous prime is 85613569. The next prime is 85613579. The reversal of 85613572 is 27531658.

It is not an unprimeable number, because it can be changed into a prime (85613579) 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, 972838 + ... + 972925.

It is an arithmetic number, because the mean of its divisors is an integer number (13620348).

Almost surely, 2^85613572 is an apocalyptic number.

It is an amenable number.

85613572 is a deficient number, since it is larger than the sum of its proper divisors (77830604).

85613572 is a wasteful number, since it uses less digits than its factorization.

85613572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945778 (or 1945776 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 85613572 is about 9252.7602368158. The cubic root of 85613572 is about 440.7383814119.

The spelling of 85613572 in words is "eighty-five million, six hundred thirteen thousand, five hundred seventy-two".