345905747320 has 64 divisors (see below), whose sum is σ = 892933087680. Its totient is φ = 118134767616.

The previous prime is 345905747261. The next prime is 345905747321. The reversal of 345905747320 is 23747509543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345905747321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331499 + ... + 2475418.

It is an arithmetic number, because the mean of its divisors is an integer number (13952079495).

Almost surely, 2^345905747320 is an apocalyptic number.

It is an amenable number.

345905747320 is an abundant number, since it is smaller than the sum of its proper divisors (547027340360).

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

345905747320 is a wasteful number, since it uses less digits than its factorization.

345905747320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807192 (or 4807188 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 345905747320 in words is "three hundred forty-five billion, nine hundred five million, seven hundred forty-seven thousand, three hundred twenty".