345576340 has 24 divisors (see below), whose sum is σ = 768399912. Its totient is φ = 130099200.

The previous prime is 345576299. The next prime is 345576359. The reversal of 345576340 is 43675543.

It can be written as a sum of positive squares in 4 ways, for example, as 158105476 + 187470864 = 12574^2 + 13692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345576340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507861 + ... + 508540.

It is an arithmetic number, because the mean of its divisors is an integer number (32016663).

Almost surely, 2^345576340 is an apocalyptic number.

It is an amenable number.

345576340 is an abundant number, since it is smaller than the sum of its proper divisors (422823572).

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

345576340 is a wasteful number, since it uses less digits than its factorization.

345576340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016427 (or 1016425 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 345576340 is about 18589.6836982236. The cubic root of 345576340 is about 701.7482423937.

The spelling of 345576340 in words is "three hundred forty-five million, five hundred seventy-six thousand, three hundred forty".