713443640 has 96 divisors (see below), whose sum is σ = 1986677280. Its totient is φ = 225778176.

The previous prime is 713443609. The next prime is 713443697. The reversal of 713443640 is 46344317.

It is a junction number, because it is equal to n+sod(n) for n = 713443597 and 713443606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39782 + ... + 54858.

It is an arithmetic number, because the mean of its divisors is an integer number (20694555).

Almost surely, 2^713443640 is an apocalyptic number.

713443640 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713443640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993338640).

713443640 is an abundant number, since it is smaller than the sum of its proper divisors (1273233640).

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

713443640 is a wasteful number, since it uses less digits than its factorization.

713443640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121 (or 15104 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 713443640 is about 26710.3657781020. The cubic root of 713443640 is about 893.5521214817.

Adding to 713443640 its reverse (46344317), we get a palindrome (759787957).

The spelling of 713443640 in words is "seven hundred thirteen million, four hundred forty-three thousand, six hundred forty".