173397672 has 240 divisors, whose sum is σ = 582658560. Its totient is φ = 48009024.

The previous prime is 173397649. The next prime is 173397683. The reversal of 173397672 is 276793371.

173397672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 59 ways as a sum of consecutive naturals, for example, 1365273 + ... + 1365399.

It is an arithmetic number, because the mean of its divisors is an integer number (2427744).

Almost surely, 2^173397672 is an apocalyptic number.

173397672 is a gapful number since it is divisible by the number (12) 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 173397672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291329280).

173397672 is an abundant number, since it is smaller than the sum of its proper divisors (409260888).

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

173397672 is a wasteful number, since it uses less digits than its factorization.

173397672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 182 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The square root of 173397672 is about 13168.0549816592. The cubic root of 173397672 is about 557.6320849067.

The spelling of 173397672 in words is "one hundred seventy-three million, three hundred ninety-seven thousand, six hundred seventy-two".