6700666734 has 32 divisors (see below), whose sum is σ = 14898570240. Its totient is φ = 2232325656.

The previous prime is 6700666727. The next prime is 6700666741. The reversal of 6700666734 is 4376660076.

It is an interprime number because it is at equal distance from previous prime (6700666727) and next prime (6700666741).

It is a self number, because there is not a number n which added to its sum of digits gives 6700666734.

It is a congruent number.

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, 67587 + ... + 134049.

It is an arithmetic number, because the mean of its divisors is an integer number (465580320).

Almost surely, 2^6700666734 is an apocalyptic number.

6700666734 is an abundant number, since it is smaller than the sum of its proper divisors (8197903506).

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

6700666734 is a wasteful number, since it uses less digits than its factorization.

6700666734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68341 (or 68335 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 6700666734 is about 81857.6003435234. The cubic root of 6700666734 is about 1885.2661627457.

The spelling of 6700666734 in words is "six billion, seven hundred million, six hundred sixty-six thousand, seven hundred thirty-four".