345745724 has 12 divisors (see below), whose sum is σ = 617928864. Its totient is φ = 169194624.

The previous prime is 345745721. The next prime is 345745753. The reversal of 345745724 is 427547543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345745721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919349 + ... + 919724.

It is an arithmetic number, because the mean of its divisors is an integer number (51494072).

Almost surely, 2^345745724 is an apocalyptic number.

It is an amenable number.

345745724 is a deficient number, since it is larger than the sum of its proper divisors (272183140).

345745724 is a wasteful number, since it uses less digits than its factorization.

345745724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839124 (or 1839122 counting only the distinct ones).

The product of its digits is 470400, while the sum is 41.

The square root of 345745724 is about 18594.2390002925. The cubic root of 345745724 is about 701.8628774687.

The spelling of 345745724 in words is "three hundred forty-five million, seven hundred forty-five thousand, seven hundred twenty-four".