345566907 has 12 divisors (see below), whose sum is σ = 570459760. Its totient is φ = 197466768.

The previous prime is 345566843. The next prime is 345566911. The reversal of 345566907 is 709665543.

345566907 is a `hidden beast` number, since 3 + 4 + 556 + 6 + 90 + 7 = 666.

It is not a de Polignac number, because 345566907 - 2⁶ = 345566843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345566707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2742532 + ... + 2742657.

Almost surely, 2^345566907 is an apocalyptic number.

345566907 is a deficient number, since it is larger than the sum of its proper divisors (224892853).

345566907 is a wasteful number, since it uses less digits than its factorization.

345566907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485202 (or 5485199 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 345566907 is about 18589.4299805024. The cubic root of 345566907 is about 701.7418572619.

The spelling of 345566907 in words is "three hundred forty-five million, five hundred sixty-six thousand, nine hundred seven".