613738765 has 16 divisors (see below), whose sum is σ = 745319232. Its totient is φ = 485137024.

The previous prime is 613738753. The next prime is 613738771. The reversal of 613738765 is 567837316.

It is a cyclic number.

It is not a de Polignac number, because 613738765 - 2⁷ = 613738637 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 153522 + ... + 157468.

It is an arithmetic number, because the mean of its divisors is an integer number (46582452).

Almost surely, 2^613738765 is an apocalyptic number.

It is an amenable number.

613738765 is a deficient number, since it is larger than the sum of its proper divisors (131580467).

613738765 is a wasteful number, since it uses less digits than its factorization.

613738765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316.

The product of its digits is 635040, while the sum is 46.

The square root of 613738765 is about 24773.7515326202. The cubic root of 613738765 is about 849.8217688588.

The spelling of 613738765 in words is "six hundred thirteen million, seven hundred thirty-eight thousand, seven hundred sixty-five".