613230739 has 8 divisors (see below), whose sum is σ = 671928768. Its totient is φ = 555024360.

The previous prime is 613230731. The next prime is 613230767. The reversal of 613230739 is 937032316.

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

It is not a de Polignac number, because 613230739 - 2³ = 613230731 is a prime.

It is a super-2 number, since 2×613230739² = 752103878508972242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613230731) 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, 120297 + ... + 125290.

It is an arithmetic number, because the mean of its divisors is an integer number (83991096).

Almost surely, 2^613230739 is an apocalyptic number.

613230739 is a deficient number, since it is larger than the sum of its proper divisors (58698029).

613230739 is a wasteful number, since it uses less digits than its factorization.

613230739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245825.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 613230739 is about 24763.4960980876. The cubic root of 613230739 is about 849.5872224165.

The spelling of 613230739 in words is "six hundred thirteen million, two hundred thirty thousand, seven hundred thirty-nine".