345772804 has 48 divisors (see below), whose sum is σ = 678363840. Its totient is φ = 153175680.

The previous prime is 345772799. The next prime is 345772813. The reversal of 345772804 is 408277543.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130614 + ... + 133234.

It is an arithmetic number, because the mean of its divisors is an integer number (14132580).

Almost surely, 2^345772804 is an apocalyptic number.

It is an amenable number.

345772804 is a deficient number, since it is larger than the sum of its proper divisors (332591036).

345772804 is a wasteful number, since it uses less digits than its factorization.

345772804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 345772804 is about 18594.9671685647. The cubic root of 345772804 is about 701.8812010991.

The spelling of 345772804 in words is "three hundred forty-five million, seven hundred seventy-two thousand, eight hundred four".