345460780 has 36 divisors (see below), whose sum is σ = 843913728. Its totient is φ = 118443360.

The previous prime is 345460699. The next prime is 345460781. The reversal of 345460780 is 87064543.

It is not an unprimeable number, because it can be changed into a prime (345460781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175276 + ... + 177235.

It is an arithmetic number, because the mean of its divisors is an integer number (23442048).

Almost surely, 2^345460780 is an apocalyptic number.

It is an amenable number.

345460780 is an abundant number, since it is smaller than the sum of its proper divisors (498452948).

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

345460780 is a wasteful number, since it uses less digits than its factorization.

345460780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352534 (or 352525 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 345460780 is about 18586.5752628073. The cubic root of 345460780 is about 701.6700126285.

The spelling of 345460780 in words is "three hundred forty-five million, four hundred sixty thousand, seven hundred eighty".