672588643 has 2 divisors, whose sum is σ = 672588644. Its totient is φ = 672588642.

The previous prime is 672588611. The next prime is 672588647. The reversal of 672588643 is 346885276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672588643 - 2⁵ = 672588611 is a prime.

It is not a weakly prime, because it can be changed into another prime (672588647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336294321 + 336294322.

It is an arithmetic number, because the mean of its divisors is an integer number (336294322).

Almost surely, 2^672588643 is an apocalyptic number.

672588643 is a deficient number, since it is larger than the sum of its proper divisors (1).

672588643 is an equidigital number, since it uses as much as digits as its factorization.

672588643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 672588643 is about 25934.3140067363. The cubic root of 672588643 is about 876.1595046562.

The spelling of 672588643 in words is "six hundred seventy-two million, five hundred eighty-eight thousand, six hundred forty-three".