172468842 has 96 divisors (see below), whose sum is σ = 451393152. Its totient is φ = 42771456.

The previous prime is 172468817. The next prime is 172468843. The reversal of 172468842 is 248864271.

172468842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 172468794 and 172468803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172468843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157248 + ... + 158340.

It is an arithmetic number, because the mean of its divisors is an integer number (4702012).

Almost surely, 2^172468842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172468842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225696576).

172468842 is an abundant number, since it is smaller than the sum of its proper divisors (278924310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172468842 is a wasteful number, since it uses less digits than its factorization.

172468842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1135 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 172468842 is about 13132.7393182078. The cubic root of 172468842 is about 556.6346224796.

The spelling of 172468842 in words is "one hundred seventy-two million, four hundred sixty-eight thousand, eight hundred forty-two".