672959249 has 2 divisors, whose sum is σ = 672959250. Its totient is φ = 672959248.

The previous prime is 672959227. The next prime is 672959291. The reversal of 672959249 is 942959276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 642267649 + 30691600 = 25343^2 + 5540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672959249 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672959249.

It is not a weakly prime, because it can be changed into another prime (672952249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336479624 + 336479625.

It is an arithmetic number, because the mean of its divisors is an integer number (336479625).

Almost surely, 2^672959249 is an apocalyptic number.

It is an amenable number.

672959249 is a deficient number, since it is larger than the sum of its proper divisors (1).

672959249 is an equidigital number, since it uses as much as digits as its factorization.

672959249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The square root of 672959249 is about 25941.4581124500. The cubic root of 672959249 is about 876.3204005971.

The spelling of 672959249 in words is "six hundred seventy-two million, nine hundred fifty-nine thousand, two hundred forty-nine".