613337680 has 40 divisors (see below), whose sum is σ = 1427488992. Its totient is φ = 245080704.

The previous prime is 613337663. The next prime is 613337707. The reversal of 613337680 is 86733316.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86427 + ... + 93253.

Almost surely, 2^613337680 is an apocalyptic number.

It is an amenable number.

613337680 is an abundant number, since it is smaller than the sum of its proper divisors (814151312).

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

613337680 is a wasteful number, since it uses less digits than its factorization.

613337680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963 (or 7957 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 613337680 is about 24765.6552507702. The cubic root of 613337680 is about 849.6366059087.

The spelling of 613337680 in words is "six hundred thirteen million, three hundred thirty-seven thousand, six hundred eighty".