172232742 has 16 divisors (see below), whose sum is σ = 375780672. Its totient is φ = 52191720.

The previous prime is 172232737. The next prime is 172232779. The reversal of 172232742 is 247232271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304728 + ... + 1304859.

It is an arithmetic number, because the mean of its divisors is an integer number (23486292).

Almost surely, 2^172232742 is an apocalyptic number.

172232742 is an abundant number, since it is smaller than the sum of its proper divisors (203547930).

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

172232742 is a wasteful number, since it uses less digits than its factorization.

172232742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609603.

The product of its digits is 9408, while the sum is 30.

The square root of 172232742 is about 13123.7472545001. The cubic root of 172232742 is about 556.3805061458.

The spelling of 172232742 in words is "one hundred seventy-two million, two hundred thirty-two thousand, seven hundred forty-two".