716863680 has 336 divisors, whose sum is σ = 2725972704. Its totient is φ = 171786240.

The previous prime is 716863649. The next prime is 716863687. The reversal of 716863680 is 86368617.

716863680 is a `hidden beast` number, since 7 + 1 + 6 + 8 + 636 + 8 + 0 = 666.

It is a super-3 number, since 3×716863680³ (a number of 28 digits) contains 333 as substring.

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 (716863687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1534807 + ... + 1535273.

It is an arithmetic number, because the mean of its divisors is an integer number (8113014).

Almost surely, 2^716863680 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 716863680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362986352).

716863680 is an abundant number, since it is smaller than the sum of its proper divisors (2009109024).

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

716863680 is a wasteful number, since it uses less digits than its factorization.

716863680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 716863680 is about 26774.3100751448. The cubic root of 716863680 is about 894.9776551541.

The spelling of 716863680 in words is "seven hundred sixteen million, eight hundred sixty-three thousand, six hundred eighty".