173442120 has 32 divisors (see below), whose sum is σ = 520326720. Its totient is φ = 46251200.

The previous prime is 173442119. The next prime is 173442131. The reversal of 173442120 is 21244371.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 722556 + ... + 722795.

It is an arithmetic number, because the mean of its divisors is an integer number (16260210).

Almost surely, 2^173442120 is an apocalyptic number.

173442120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173442120 is an abundant number, since it is smaller than the sum of its proper divisors (346884600).

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

173442120 is a wasteful number, since it uses less digits than its factorization.

173442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445365 (or 1445361 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 173442120 is about 13169.7425942955. The cubic root of 173442120 is about 557.6797278250.

Adding to 173442120 its reverse (21244371), we get a palindrome (194686491).

The spelling of 173442120 in words is "one hundred seventy-three million, four hundred forty-two thousand, one hundred twenty".