6400672067207 has 32 divisors (see below), whose sum is σ = 7063855755264. Its totient is φ = 5751340403200.

The previous prime is 6400672067197. The next prime is 6400672067249. The reversal of 6400672067207 is 7027602760046.

It is a cyclic number.

It is not a de Polignac number, because 6400672067207 - 2²⁰ = 6400671018631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400672267207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1814762078 + ... + 1814765604.

It is an arithmetic number, because the mean of its divisors is an integer number (220745492352).

Almost surely, 2^{6400672067207} is an apocalyptic number.

6400672067207 is a deficient number, since it is larger than the sum of its proper divisors (663183688057).

6400672067207 is a wasteful number, since it uses less digits than its factorization.

6400672067207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 6400672067207 in words is "six trillion, four hundred billion, six hundred seventy-two million, sixty-seven thousand, two hundred seven".