667073706707 has 8 divisors (see below), whose sum is σ = 677493655200. Its totient is φ = 656732997760.

The previous prime is 667073706701. The next prime is 667073706749. The reversal of 667073706707 is 707607370766.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 667073706707 - 2¹⁴ = 667073690323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667073706701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19792919 + ... + 19826592.

It is an arithmetic number, because the mean of its divisors is an integer number (84686706900).

Almost surely, 2^667073706707 is an apocalyptic number.

667073706707 is a deficient number, since it is larger than the sum of its proper divisors (10419948493).

667073706707 is a wasteful number, since it uses less digits than its factorization.

667073706707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39619773.

The product of its (nonzero) digits is 10890936, while the sum is 56.

The spelling of 667073706707 in words is "six hundred sixty-seven billion, seventy-three million, seven hundred six thousand, seven hundred seven".