86173672 has 32 divisors (see below), whose sum is σ = 174636000. Its totient is φ = 39628224.

The previous prime is 86173669. The next prime is 86173673. The reversal of 86173672 is 27637168.

It is not an unprimeable number, because it can be changed into a prime (86173673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30579 + ... + 33277.

It is an arithmetic number, because the mean of its divisors is an integer number (5457375).

Almost surely, 2^86173672 is an apocalyptic number.

It is an amenable number.

86173672 is an abundant number, since it is smaller than the sum of its proper divisors (88462328).

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

86173672 is a wasteful number, since it uses less digits than its factorization.

86173672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3021 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 86173672 is about 9282.9775395613. The cubic root of 86173672 is about 441.6974240041.

The spelling of 86173672 in words is "eighty-six million, one hundred seventy-three thousand, six hundred seventy-two".