172942352 has 40 divisors (see below), whose sum is σ = 367348512. Its totient is φ = 78220800.

The previous prime is 172942349. The next prime is 172942417. The reversal of 172942352 is 253249271.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34808 + ... + 39464.

Almost surely, 2^172942352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172942352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183674256).

172942352 is an abundant number, since it is smaller than the sum of its proper divisors (194406160).

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

172942352 is a wasteful number, since it uses less digits than its factorization.

172942352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4881 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 172942352 is about 13150.7548072345. The cubic root of 172942352 is about 557.1435670008.

The spelling of 172942352 in words is "one hundred seventy-two million, nine hundred forty-two thousand, three hundred fifty-two".