716325640 has 32 divisors (see below), whose sum is σ = 1633817880. Its totient is φ = 282604032.

The previous prime is 716325629. The next prime is 716325689. The reversal of 716325640 is 46523617.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 656076996 + 60248644 = 25614^2 + 7762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 716325596 and 716325605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119739 + ... + 125578.

Almost surely, 2^716325640 is an apocalyptic number.

It is an amenable number.

716325640 is an abundant number, since it is smaller than the sum of its proper divisors (917492240).

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

716325640 is a wasteful number, since it uses less digits than its factorization.

716325640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245401 (or 245397 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 716325640 is about 26764.2604979103. The cubic root of 716325640 is about 894.7536914668.

The spelling of 716325640 in words is "seven hundred sixteen million, three hundred twenty-five thousand, six hundred forty".