345172176 has 60 divisors (see below), whose sum is σ = 967475652. Its totient is φ = 114882048.

The previous prime is 345172129. The next prime is 345172187. The reversal of 345172176 is 671271543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 291589776 + 53582400 = 17076^2 + 7320^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 345172176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122010 + ... + 124806.

Almost surely, 2^345172176 is an apocalyptic number.

345172176 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

345172176 is an abundant number, since it is smaller than the sum of its proper divisors (622303476).

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

345172176 is a wasteful number, since it uses less digits than its factorization.

345172176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3659 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 345172176 is about 18578.8098650048. The cubic root of 345172176 is about 701.4745623755.

The spelling of 345172176 in words is "three hundred forty-five million, one hundred seventy-two thousand, one hundred seventy-six".