716454720 has 280 divisors, whose sum is σ = 2580180768. Its totient is φ = 188697600.

The previous prime is 716454703. The next prime is 716454727. The reversal of 716454720 is 27454617.

716454720 is a `hidden beast` number, since 7 + 1 + 645 + 4 + 7 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716454727) 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 39 ways as a sum of consecutive naturals, for example, 3395415 + ... + 3395625.

Almost surely, 2^716454720 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 716454720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290090384).

716454720 is an abundant number, since it is smaller than the sum of its proper divisors (1863726048).

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

716454720 is a wasteful number, since it uses less digits than its factorization.

716454720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 716454720 is about 26766.6718140302. The cubic root of 716454720 is about 894.8074323278.

The spelling of 716454720 in words is "seven hundred sixteen million, four hundred fifty-four thousand, seven hundred twenty".