717676740 has 192 divisors, whose sum is σ = 2564352000. Its totient is φ = 164799360.

The previous prime is 717676723. The next prime is 717676741. The reversal of 717676740 is 47676717.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (717676741) 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 63 ways as a sum of consecutive naturals, for example, 109681 + ... + 116039.

It is an arithmetic number, because the mean of its divisors is an integer number (13356000).

Almost surely, 2^717676740 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 717676740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282176000).

717676740 is an abundant number, since it is smaller than the sum of its proper divisors (1846675260).

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

717676740 is a wasteful number, since it uses less digits than its factorization.

717676740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 717676740 is about 26789.4893568355. The cubic root of 717676740 is about 895.3158857085.

The spelling of 717676740 in words is "seven hundred seventeen million, six hundred seventy-six thousand, seven hundred forty".