345717824 has 14 divisors (see below), whose sum is σ = 686033934. Its totient is φ = 172858880.

The previous prime is 345717817. The next prime is 345717829. The reversal of 345717824 is 428717543.

It can be written as a sum of positive squares in only one way, i.e., 313998400 + 31719424 = 17720^2 + 5632^2 .

It is not an unprimeable number, because it can be changed into a prime (345717829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700857 + ... + 2700984.

Almost surely, 2^345717824 is an apocalyptic number.

It is an amenable number.

345717824 is a deficient number, since it is larger than the sum of its proper divisors (340316110).

345717824 is an equidigital number, since it uses as much as digits as its factorization.

345717824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401853 (or 5401843 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 345717824 is about 18593.4887527866. The cubic root of 345717824 is about 701.8439979863.

The spelling of 345717824 in words is "three hundred forty-five million, seven hundred seventeen thousand, eight hundred twenty-four".