172593742 has 8 divisors (see below), whose sum is σ = 262754856. Its totient is φ = 85008792.

The previous prime is 172593727. The next prime is 172593763. The reversal of 172593742 is 247395271.

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

It is a junction number, because it is equal to n+sod(n) for n = 172593695 and 172593704.

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, 643873 + ... + 644140.

It is an arithmetic number, because the mean of its divisors is an integer number (32844357).

Almost surely, 2^172593742 is an apocalyptic number.

172593742 is a deficient number, since it is larger than the sum of its proper divisors (90161114).

172593742 is a wasteful number, since it uses less digits than its factorization.

172593742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288082.

The product of its digits is 105840, while the sum is 40.

The square root of 172593742 is about 13137.4937488092. The cubic root of 172593742 is about 556.7689595721.

The spelling of 172593742 in words is "one hundred seventy-two million, five hundred ninety-three thousand, seven hundred forty-two".