672814841 has 2 divisors, whose sum is σ = 672814842. Its totient is φ = 672814840.

The previous prime is 672814783. The next prime is 672814843. The reversal of 672814841 is 148418276.

672814841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514155625 + 158659216 = 22675^2 + 12596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672814841 is a prime.

Together with 672814843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (672814843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336407420 + 336407421.

It is an arithmetic number, because the mean of its divisors is an integer number (336407421).

Almost surely, 2^672814841 is an apocalyptic number.

It is an amenable number.

672814841 is a deficient number, since it is larger than the sum of its proper divisors (1).

672814841 is an equidigital number, since it uses as much as digits as its factorization.

672814841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 41.

The square root of 672814841 is about 25938.6746191859. The cubic root of 672814841 is about 876.2577139240.

The spelling of 672814841 in words is "six hundred seventy-two million, eight hundred fourteen thousand, eight hundred forty-one".