172749994002 has 32 divisors (see below), whose sum is σ = 389147636160. Its totient is φ = 56794517280.

The previous prime is 172749993991. The next prime is 172749994013. The reversal of 172749994002 is 200499947271.

172749994002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172749993991) and next prime (172749994013).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 172749994002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21907524 + ... + 21915407.

It is an arithmetic number, because the mean of its divisors is an integer number (12160863630).

Almost surely, 2^172749994002 is an apocalyptic number.

172749994002 is an abundant number, since it is smaller than the sum of its proper divisors (216397642158).

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

172749994002 is a wasteful number, since it uses less digits than its factorization.

172749994002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43823015 (or 43823009 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 172749994002 in words is "one hundred seventy-two billion, seven hundred forty-nine million, nine hundred ninety-four thousand, two".