172733372 has 12 divisors (see below), whose sum is σ = 345466800. Its totient is φ = 74028576.

The previous prime is 172733371. The next prime is 172733377. The reversal of 172733372 is 273337271.

172733372 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172733371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084497 + ... + 3084552.

It is an arithmetic number, because the mean of its divisors is an integer number (28788900).

Almost surely, 2^172733372 is an apocalyptic number.

It is an amenable number.

172733372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172733372 is a wasteful number, since it uses less digits than its factorization.

172733372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169060 (or 6169058 counting only the distinct ones).

The product of its digits is 37044, while the sum is 35.

The square root of 172733372 is about 13142.8068539411. The cubic root of 172733372 is about 556.9190629184.

The spelling of 172733372 in words is "one hundred seventy-two million, seven hundred thirty-three thousand, three hundred seventy-two".