672043766715 has 48 divisors (see below), whose sum is σ = 1232642810880. Its totient is φ = 338010953280.

The previous prime is 672043766711. The next prime is 672043766741. The reversal of 672043766715 is 517667340276.

It is a happy number.

672043766715 is a `hidden beast` number, since 6 + 7 + 204 + 376 + 67 + 1 + 5 = 666.

It is not a de Polignac number, because 672043766715 - 2² = 672043766711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672043766711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4499175 + ... + 4646144.

It is an arithmetic number, because the mean of its divisors is an integer number (25680058560).

Almost surely, 2^672043766715 is an apocalyptic number.

672043766715 is a deficient number, since it is larger than the sum of its proper divisors (560599044165).

672043766715 is a wasteful number, since it uses less digits than its factorization.

672043766715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145424 (or 9145421 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 672043766715 in words is "six hundred seventy-two billion, forty-three million, seven hundred sixty-six thousand, seven hundred fifteen".