172663042 has 16 divisors (see below), whose sum is σ = 269438400. Its totient is φ = 82883920.

The previous prime is 172663027. The next prime is 172663061. The reversal of 172663042 is 240366271.

It is a junction number, because it is equal to n+sod(n) for n = 172662995 and 172663013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 18697.

It is an arithmetic number, because the mean of its divisors is an integer number (16839900).

Almost surely, 2^172663042 is an apocalyptic number.

172663042 is a deficient number, since it is larger than the sum of its proper divisors (96775358).

172663042 is a wasteful number, since it uses less digits than its factorization.

172663042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16841.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 172663042 is about 13140.1309734721. The cubic root of 172663042 is about 556.8434677312.

The spelling of 172663042 in words is "one hundred seventy-two million, six hundred sixty-three thousand, forty-two".