345172760 has 32 divisors (see below), whose sum is σ = 822324960. Its totient is φ = 129947136.

The previous prime is 345172759. The next prime is 345172783. The reversal of 345172760 is 67271543.

It is a self number, because there is not a number n which added to its sum of digits gives 345172760.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253124 + ... + 254483.

It is an arithmetic number, because the mean of its divisors is an integer number (25697655).

Almost surely, 2^345172760 is an apocalyptic number.

It is an amenable number.

345172760 is an abundant number, since it is smaller than the sum of its proper divisors (477152200).

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

345172760 is a wasteful number, since it uses less digits than its factorization.

345172760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507635 (or 507631 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 345172760 is about 18578.8255818284. The cubic root of 345172760 is about 701.4749579857.

The spelling of 345172760 in words is "three hundred forty-five million, one hundred seventy-two thousand, seven hundred sixty".