345657744 has 60 divisors (see below), whose sum is σ = 971146176. Its totient is φ = 114768576.

The previous prime is 345657727. The next prime is 345657773. The reversal of 345657744 is 447756543.

345657744 is a `hidden beast` number, since 34 + 5 + 6 + 577 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 345657744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33309 + ... + 42435.

Almost surely, 2^345657744 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 345657744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485573088).

345657744 is an abundant number, since it is smaller than the sum of its proper divisors (625488432).

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

345657744 is a wasteful number, since it uses less digits than its factorization.

345657744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404 (or 9395 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 45.

The square root of 345657744 is about 18591.8730632500. The cubic root of 345657744 is about 701.8033393649.

The spelling of 345657744 in words is "three hundred forty-five million, six hundred fifty-seven thousand, seven hundred forty-four".