172180002 has 16 divisors (see below), whose sum is σ = 345206880. Its totient is φ = 57252192.

The previous prime is 172179991. The next prime is 172180007. The reversal of 172180002 is 200081271.

It is not an unprimeable number, because it can be changed into a prime (172180007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32628 + ... + 37535.

It is an arithmetic number, because the mean of its divisors is an integer number (21575430).

Almost surely, 2^172180002 is an apocalyptic number.

172180002 is an abundant number, since it is smaller than the sum of its proper divisors (173026878).

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

172180002 is a wasteful number, since it uses less digits than its factorization.

172180002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70577.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 172180002 is about 13121.7377660125. The cubic root of 172180002 is about 556.3237099308.

The spelling of 172180002 in words is "one hundred seventy-two million, one hundred eighty thousand, two".