613604568 has 64 divisors (see below), whose sum is σ = 1551195360. Its totient is φ = 202259456.

The previous prime is 613604561. The next prime is 613604569. The reversal of 613604568 is 865406316.

It is a super-3 number, since 3×613604568³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613604561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101346 + ... + 1101902.

Almost surely, 2^613604568 is an apocalyptic number.

It is an amenable number.

613604568 is an abundant number, since it is smaller than the sum of its proper divisors (937590792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613604568 is a wasteful number, since it uses less digits than its factorization.

613604568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 613604568 is about 24771.0429332315. The cubic root of 613604568 is about 849.7598251071.

The spelling of 613604568 in words is "six hundred thirteen million, six hundred four thousand, five hundred sixty-eight".