172467072 has 48 divisors (see below), whose sum is σ = 496295280. Its totient is φ = 57488640.

The previous prime is 172467059. The next prime is 172467083. The reversal of 172467072 is 270764271.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 73704 + ... + 76007.

It is an arithmetic number, because the mean of its divisors is an integer number (10339485).

Almost surely, 2^172467072 is an apocalyptic number.

172467072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172467072 is an abundant number, since it is smaller than the sum of its proper divisors (323828208).

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

172467072 is a wasteful number, since it uses less digits than its factorization.

172467072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149731 (or 149716 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 172467072 is about 13132.6719292001. The cubic root of 172467072 is about 556.6327182774.

The spelling of 172467072 in words is "one hundred seventy-two million, four hundred sixty-seven thousand, seventy-two".