172464842 has 16 divisors (see below), whose sum is σ = 291320064. Its totient is φ = 75864000.

The previous prime is 172464829. The next prime is 172464869. The reversal of 172464842 is 248464271.

172464842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172464796 and 172464805.

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, 125759 + ... + 127122.

It is an arithmetic number, because the mean of its divisors is an integer number (18207504).

Almost surely, 2^172464842 is an apocalyptic number.

172464842 is a deficient number, since it is larger than the sum of its proper divisors (118855222).

172464842 is a wasteful number, since it uses less digits than its factorization.

172464842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252925.

The product of its digits is 86016, while the sum is 38.

The square root of 172464842 is about 13132.5870261727. The cubic root of 172464842 is about 556.6303191793.

It can be divided in two parts, 1724 and 64842, that added together give a palindrome (66566).

The spelling of 172464842 in words is "one hundred seventy-two million, four hundred sixty-four thousand, eight hundred forty-two".