716577381 has 32 divisors (see below), whose sum is σ = 1203440000. Its totient is φ = 417757824.

The previous prime is 716577373. The next prime is 716577383. The reversal of 716577381 is 183775617.

716577381 is a `hidden beast` number, since 71 + 6 + 577 + 3 + 8 + 1 = 666.

716577381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 716577381 - 2³ = 716577373 is a prime.

It is a super-2 number, since 2×716577381² = 1026966285921638322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716577383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47056 + ... + 60393.

It is an arithmetic number, because the mean of its divisors is an integer number (37607500).

Almost surely, 2^716577381 is an apocalyptic number.

It is an amenable number.

716577381 is a deficient number, since it is larger than the sum of its proper divisors (486862619).

716577381 is a wasteful number, since it uses less digits than its factorization.

716577381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107490 (or 107484 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 716577381 is about 26768.9630168970. The cubic root of 716577381 is about 894.8584947366.

The spelling of 716577381 in words is "seven hundred sixteen million, five hundred seventy-seven thousand, three hundred eighty-one".