1345770304 has 56 divisors (see below), whose sum is σ = 2818587200. Its totient is φ = 635765760.

The previous prime is 1345770299. The next prime is 1345770311. The reversal of 1345770304 is 4030775431.

It is a super-2 number, since 2×1345770304² = 3622195422256504832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345770304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532564 + ... + 535084.

Almost surely, 2^1345770304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345770304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409293600).

1345770304 is an abundant number, since it is smaller than the sum of its proper divisors (1472816896).

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

1345770304 is a wasteful number, since it uses less digits than its factorization.

1345770304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 1345770304 is about 36684.7421143996. The cubic root of 1345770304 is about 1104.0539951187.

The spelling of 1345770304 in words is "one billion, three hundred forty-five million, seven hundred seventy thousand, three hundred four".