172990002 has 32 divisors (see below), whose sum is σ = 350208000. Its totient is φ = 56963088.

The previous prime is 172990001. The next prime is 172990021. The reversal of 172990002 is 200099271.

It is not an unprimeable number, because it can be changed into a prime (172990001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288499 + ... + 289097.

It is an arithmetic number, because the mean of its divisors is an integer number (10944000).

Almost surely, 2^172990002 is an apocalyptic number.

172990002 is an abundant number, since it is smaller than the sum of its proper divisors (177217998).

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

172990002 is a wasteful number, since it uses less digits than its factorization.

172990002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 172990002 is about 13152.5663655425. The cubic root of 172990002 is about 557.1947313586.

The spelling of 172990002 in words is "one hundred seventy-two million, nine hundred ninety thousand, two".