172392063 has 4 divisors (see below), whose sum is σ = 229856088. Its totient is φ = 114928040.

The previous prime is 172392049. The next prime is 172392067. The reversal of 172392063 is 360293271.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172392063 - 2¹⁰ = 172391039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172392067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28732008 + ... + 28732013.

It is an arithmetic number, because the mean of its divisors is an integer number (57464022).

Almost surely, 2^172392063 is an apocalyptic number.

172392063 is a deficient number, since it is larger than the sum of its proper divisors (57464025).

172392063 is an equidigital number, since it uses as much as digits as its factorization.

172392063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57464024.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 172392063 is about 13129.8158022114. The cubic root of 172392063 is about 556.5520100829.

The spelling of 172392063 in words is "one hundred seventy-two million, three hundred ninety-two thousand, sixty-three".