713687040 has 324 divisors, whose sum is σ = 2719471482. Its totient is φ = 173015040.

The previous prime is 713687017. The next prime is 713687077. The reversal of 713687040 is 40786317.

It can be written as a sum of positive squares in only one way, i.e., 642318336 + 71368704 = 25344^2 + 8448^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 713686986 and 713687004.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64880635 + ... + 64880645.

Almost surely, 2^713687040 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 713687040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359735741).

713687040 is an abundant number, since it is smaller than the sum of its proper divisors (2005784442).

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

713687040 is an equidigital number, since it uses as much as digits as its factorization.

713687040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 713687040 is about 26714.9216731025. The cubic root of 713687040 is about 893.6537253299.

The spelling of 713687040 in words is "seven hundred thirteen million, six hundred eighty-seven thousand, forty".