345739624 has 16 divisors (see below), whose sum is σ = 670616100. Its totient is φ = 166908672.

The previous prime is 345739619. The next prime is 345739649. The reversal of 345739624 is 426937543.

345739624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 345290724 + 448900 = 18582^2 + 670^2 .

It is a super-2 number, since 2×345739624² = 239071775207322752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744897 + ... + 745360.

Almost surely, 2^345739624 is an apocalyptic number.

It is an amenable number.

345739624 is a deficient number, since it is larger than the sum of its proper divisors (324876476).

345739624 is a wasteful number, since it uses less digits than its factorization.

345739624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490292 (or 1490288 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The square root of 345739624 is about 18594.0749702694. The cubic root of 345739624 is about 701.8587497833.

The spelling of 345739624 in words is "three hundred forty-five million, seven hundred thirty-nine thousand, six hundred twenty-four".