672906727 has 2 divisors, whose sum is σ = 672906728. Its totient is φ = 672906726.

The previous prime is 672906721. The next prime is 672906757. The reversal of 672906727 is 727609276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672906727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672906721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336453363 + 336453364.

It is an arithmetic number, because the mean of its divisors is an integer number (336453364).

Almost surely, 2^672906727 is an apocalyptic number.

672906727 is a deficient number, since it is larger than the sum of its proper divisors (1).

672906727 is an equidigital number, since it uses as much as digits as its factorization.

672906727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 672906727 is about 25940.4457748898. The cubic root of 672906727 is about 876.2976021401.

The spelling of 672906727 in words is "six hundred seventy-two million, nine hundred six thousand, seven hundred twenty-seven".