713440660 has 72 divisors (see below), whose sum is σ = 1565754624. Its totient is φ = 273006720.

The previous prime is 713440639. The next prime is 713440667. The reversal of 713440660 is 66044317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713440667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1943797 + ... + 1944163.

It is an arithmetic number, because the mean of its divisors is an integer number (21746592).

Almost surely, 2^713440660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713440660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782877312).

713440660 is an abundant number, since it is smaller than the sum of its proper divisors (852313964).

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

713440660 is a wasteful number, since it uses less digits than its factorization.

713440660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 713440660 is about 26710.3099944572. The cubic root of 713440660 is about 893.5508773801.

Adding to 713440660 its reverse (66044317), we get a palindrome (779484977).

The spelling of 713440660 in words is "seven hundred thirteen million, four hundred forty thousand, six hundred sixty".