345797728 has 12 divisors (see below), whose sum is σ = 680789340. Its totient is φ = 172898848.

The previous prime is 345797717. The next prime is 345797737. The reversal of 345797728 is 827797543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5403058 + ... + 5403121.

It is an arithmetic number, because the mean of its divisors is an integer number (56732445).

Almost surely, 2^345797728 is an apocalyptic number.

It is an amenable number.

345797728 is a deficient number, since it is larger than the sum of its proper divisors (334991612).

345797728 is a wasteful number, since it uses less digits than its factorization.

345797728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10806189 (or 10806181 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 345797728 is about 18595.6373378274. The cubic root of 345797728 is about 701.8980650307.

The spelling of 345797728 in words is "three hundred forty-five million, seven hundred ninety-seven thousand, seven hundred twenty-eight".