345641604772 has 24 divisors (see below), whose sum is σ = 613471543776. Its totient is φ = 170372940288.

The previous prime is 345641604601. The next prime is 345641604779. The reversal of 345641604772 is 277406146543.

It is not an unprimeable number, because it can be changed into a prime (345641604779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959613 + ... + 1269700.

It is an arithmetic number, because the mean of its divisors is an integer number (25561314324).

Almost surely, 2^345641604772 is an apocalyptic number.

It is an amenable number.

345641604772 is a deficient number, since it is larger than the sum of its proper divisors (267829939004).

345641604772 is a wasteful number, since it uses less digits than its factorization.

345641604772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229867 (or 2229865 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 345641604772 in words is "three hundred forty-five billion, six hundred forty-one million, six hundred four thousand, seven hundred seventy-two".