716997984 has 144 divisors (see below), whose sum is σ = 2104967088. Its totient is φ = 212926464.

The previous prime is 716997949. The next prime is 716997989. The reversal of 716997984 is 489799617.

It is a super-2 number, since 2×716997984² = 1028172218120128512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716997989) 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 23 ways as a sum of consecutive naturals, for example, 588544 + ... + 589760.

It is an arithmetic number, because the mean of its divisors is an integer number (14617827).

Almost surely, 2^716997984 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 716997984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052483544).

716997984 is an abundant number, since it is smaller than the sum of its proper divisors (1387969104).

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

716997984 is a wasteful number, since it uses less digits than its factorization.

716997984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1258 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 60.

The square root of 716997984 is about 26776.8180335155. The cubic root of 716997984 is about 895.0335428478.

The spelling of 716997984 in words is "seven hundred sixteen million, nine hundred ninety-seven thousand, nine hundred eighty-four".