613713745 has 8 divisors (see below), whose sum is σ = 740975616. Its totient is φ = 487958256.

The previous prime is 613713743. The next prime is 613713757. The reversal of 613713745 is 547317316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 613713745 - 2¹ = 613713743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613713743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375697 + ... + 377326.

It is an arithmetic number, because the mean of its divisors is an integer number (92621952).

Almost surely, 2^613713745 is an apocalyptic number.

It is an amenable number.

613713745 is a deficient number, since it is larger than the sum of its proper divisors (127261871).

613713745 is a wasteful number, since it uses less digits than its factorization.

613713745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753191.

The product of its digits is 52920, while the sum is 37.

The square root of 613713745 is about 24773.2465575265. The cubic root of 613713745 is about 849.8102206069.

The spelling of 613713745 in words is "six hundred thirteen million, seven hundred thirteen thousand, seven hundred forty-five".