716646378 has 32 divisors (see below), whose sum is σ = 1641677184. Its totient is φ = 204302592.

The previous prime is 716646353. The next prime is 716646401. The reversal of 716646378 is 873646617.

It is a super-2 number, since 2×716646378² = 1027164062201037768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526 + ... + 37862.

It is an arithmetic number, because the mean of its divisors is an integer number (51302412).

Almost surely, 2^716646378 is an apocalyptic number.

716646378 is an abundant number, since it is smaller than the sum of its proper divisors (925030806).

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

716646378 is a wasteful number, since it uses less digits than its factorization.

716646378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37806.

The product of its digits is 1016064, while the sum is 48.

The square root of 716646378 is about 26770.2517358354. The cubic root of 716646378 is about 894.8872148588.

The spelling of 716646378 in words is "seven hundred sixteen million, six hundred forty-six thousand, three hundred seventy-eight".