716643974 has 8 divisors (see below), whose sum is σ = 1080368400. Its totient is φ = 356521176.

The previous prime is 716643971. The next prime is 716644001. The reversal of 716643974 is 479346617.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716643971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899909 + ... + 900704.

It is an arithmetic number, because the mean of its divisors is an integer number (135046050).

Almost surely, 2^716643974 is an apocalyptic number.

716643974 is a deficient number, since it is larger than the sum of its proper divisors (363724426).

716643974 is a wasteful number, since it uses less digits than its factorization.

716643974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800814.

The product of its digits is 762048, while the sum is 47.

The square root of 716643974 is about 26770.2068352114. The cubic root of 716643974 is about 894.8862142206.

The spelling of 716643974 in words is "seven hundred sixteen million, six hundred forty-three thousand, nine hundred seventy-four".