85633572 has 12 divisors (see below), whose sum is σ = 199811696. Its totient is φ = 28544520.

The previous prime is 85633567. The next prime is 85633579. The reversal of 85633572 is 27533658.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 85633572.

It is not an unprimeable number, because it can be changed into a prime (85633579) 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 3 ways as a sum of consecutive naturals, for example, 3568054 + ... + 3568077.

Almost surely, 2^85633572 is an apocalyptic number.

It is an amenable number.

85633572 is an abundant number, since it is smaller than the sum of its proper divisors (114178124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85633572 is a wasteful number, since it uses less digits than its factorization.

85633572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136138 (or 7136136 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 85633572 is about 9253.8409322832. The cubic root of 85633572 is about 440.7726987174.

The spelling of 85633572 in words is "eighty-five million, six hundred thirty-three thousand, five hundred seventy-two".