345746080 has 24 divisors (see below), whose sum is σ = 816825492. Its totient is φ = 138298368.

The previous prime is 345746057. The next prime is 345746117. The reversal of 345746080 is 80647543.

It can be written as a sum of positive squares in 2 ways, for example, as 338412816 + 7333264 = 18396^2 + 2708^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1080297 + ... + 1080616.

Almost surely, 2^345746080 is an apocalyptic number.

It is an amenable number.

345746080 is an abundant number, since it is smaller than the sum of its proper divisors (471079412).

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

345746080 is a wasteful number, since it uses less digits than its factorization.

345746080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160928 (or 2160920 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 345746080 is about 18594.2485731476. The cubic root of 345746080 is about 701.8631183617.

The spelling of 345746080 in words is "three hundred forty-five million, seven hundred forty-six thousand, eighty".