613340720 has 40 divisors (see below), whose sum is σ = 1475195760. Its totient is φ = 236875520.

The previous prime is 613340719. The next prime is 613340723. The reversal of 613340720 is 27043316.

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

It is a self number, because there is not a number n which added to its sum of digits gives 613340720.

It is not an unprimeable number, because it can be changed into a prime (613340723) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129866 + ... + 134505.

It is an arithmetic number, because the mean of its divisors is an integer number (36879894).

Almost surely, 2^613340720 is an apocalyptic number.

It is an amenable number.

613340720 is an abundant number, since it is smaller than the sum of its proper divisors (861855040).

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

613340720 is a wasteful number, since it uses less digits than its factorization.

613340720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264413 (or 264407 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 613340720 is about 24765.7166260135. The cubic root of 613340720 is about 849.6380096438.

The spelling of 613340720 in words is "six hundred thirteen million, three hundred forty thousand, seven hundred twenty".