172236996 has 48 divisors (see below), whose sum is σ = 472812480. Its totient is φ = 54034560.

The previous prime is 172236923. The next prime is 172237001. The reversal of 172236996 is 699632271.

It is a happy number.

It is a super-2 number, since 2×172236996² = 59331165582208032, 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, 45070 + ... + 48741.

It is an arithmetic number, because the mean of its divisors is an integer number (9850260).

Almost surely, 2^172236996 is an apocalyptic number.

It is an amenable number.

172236996 is an abundant number, since it is smaller than the sum of its proper divisors (300575484).

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

172236996 is a wasteful number, since it uses less digits than its factorization.

172236996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93841 (or 93833 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 172236996 is about 13123.9093261116. The cubic root of 172236996 is about 556.3850868141.

The spelling of 172236996 in words is "one hundred seventy-two million, two hundred thirty-six thousand, nine hundred ninety-six".