173422368 has 108 divisors (see below), whose sum is σ = 573734070. Its totient is φ = 49545216.

The previous prime is 173422313. The next prime is 173422421. The reversal of 173422368 is 863224371.

It is a happy number.

173422368 is a `hidden beast` number, since 173 + 422 + 3 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124813584 + 48608784 = 11172^2 + 6972^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7968 + ... + 20256.

Almost surely, 2^173422368 is an apocalyptic number.

173422368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173422368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286867035).

173422368 is an abundant number, since it is smaller than the sum of its proper divisors (400311702).

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

173422368 is a wasteful number, since it uses less digits than its factorization.

173422368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319 (or 12301 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 173422368 is about 13168.9926721826. The cubic root of 173422368 is about 557.6585570580.

The spelling of 173422368 in words is "one hundred seventy-three million, four hundred twenty-two thousand, three hundred sixty-eight".