666794734 has 8 divisors (see below), whose sum is σ = 1021472928. Its totient is φ = 326303760.

The previous prime is 666794729. The next prime is 666794741. The reversal of 666794734 is 437497666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3546687 + ... + 3546874.

It is an arithmetic number, because the mean of its divisors is an integer number (127684116).

Almost surely, 2^666794734 is an apocalyptic number.

666794734 is a deficient number, since it is larger than the sum of its proper divisors (354678194).

666794734 is a wasteful number, since it uses less digits than its factorization.

666794734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093610.

The product of its digits is 4572288, while the sum is 52.

The square root of 666794734 is about 25822.3688688703. The cubic root of 666794734 is about 873.6363997150.

The spelling of 666794734 in words is "six hundred sixty-six million, seven hundred ninety-four thousand, seven hundred thirty-four".