172345374 has 32 divisors (see below), whose sum is σ = 389275680. Its totient is φ = 56505600.

The previous prime is 172345367. The next prime is 172345379. The reversal of 172345374 is 473543271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172345379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22867 + ... + 29454.

It is an arithmetic number, because the mean of its divisors is an integer number (12164865).

Almost surely, 2^172345374 is an apocalyptic number.

172345374 is an abundant number, since it is smaller than the sum of its proper divisors (216930306).

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

172345374 is a wasteful number, since it uses less digits than its factorization.

172345374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52393 (or 52387 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 172345374 is about 13128.0377056131. The cubic root of 172345374 is about 556.5017618241.

The spelling of 172345374 in words is "one hundred seventy-two million, three hundred forty-five thousand, three hundred seventy-four".