172592842 has 8 divisors (see below), whose sum is σ = 258952032. Its totient is φ = 86275500.

The previous prime is 172592839. The next prime is 172592843. The reversal of 172592842 is 248295271.

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 = 172592795 and 172592804.

It is not an unprimeable number, because it can be changed into a prime (172592843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (32369004).

Almost surely, 2^172592842 is an apocalyptic number.

172592842 is a deficient number, since it is larger than the sum of its proper divisors (86359190).

172592842 is a wasteful number, since it uses less digits than its factorization.

172592842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924.

The product of its digits is 80640, while the sum is 40.

The square root of 172592842 is about 13137.4594956559. The cubic root of 172592842 is about 556.7679918025.

The spelling of 172592842 in words is "one hundred seventy-two million, five hundred ninety-two thousand, eight hundred forty-two".