172242902 has 8 divisors (see below), whose sum is σ = 278238576. Its totient is φ = 79496712.

The previous prime is 172242899. The next prime is 172242943. The reversal of 172242902 is 209242271.

172242902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312338 + ... + 3312389.

It is an arithmetic number, because the mean of its divisors is an integer number (34779822).

Almost surely, 2^172242902 is an apocalyptic number.

172242902 is a deficient number, since it is larger than the sum of its proper divisors (105995674).

172242902 is a wasteful number, since it uses less digits than its factorization.

172242902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624742.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 172242902 is about 13124.1343333570. The cubic root of 172242902 is about 556.3914462158.

The spelling of 172242902 in words is "one hundred seventy-two million, two hundred forty-two thousand, nine hundred two".