172442063 has 8 divisors (see below), whose sum is σ = 180491136. Its totient is φ = 164439000.

The previous prime is 172442009. The next prime is 172442077. The reversal of 172442063 is 360244271.

172442063 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 cyclic number.

It is not a de Polignac number, because 172442063 - 2²⁰ = 171393487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172442093) 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, 3713 + ... + 18938.

It is an arithmetic number, because the mean of its divisors is an integer number (22561392).

Almost surely, 2^172442063 is an apocalyptic number.

172442063 is a deficient number, since it is larger than the sum of its proper divisors (8049073).

172442063 is a wasteful number, since it uses less digits than its factorization.

172442063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23005.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 172442063 is about 13131.7197274386. The cubic root of 172442063 is about 556.6058116909.

The spelling of 172442063 in words is "one hundred seventy-two million, four hundred forty-two thousand, sixty-three".