672823259 has 2 divisors, whose sum is σ = 672823260. Its totient is φ = 672823258.

The previous prime is 672823247. The next prime is 672823271. The reversal of 672823259 is 952328276.

It is a balanced prime because it is at equal distance from previous prime (672823247) and next prime (672823271).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672823259 is a prime.

It is a super-2 number, since 2×672823259² = 905382275702762162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (672823159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336411629 + 336411630.

It is an arithmetic number, because the mean of its divisors is an integer number (336411630).

Almost surely, 2^672823259 is an apocalyptic number.

672823259 is a deficient number, since it is larger than the sum of its proper divisors (1).

672823259 is an equidigital number, since it uses as much as digits as its factorization.

672823259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 672823259 is about 25938.8368860286. The cubic root of 672823259 is about 876.2613683750.

The spelling of 672823259 in words is "six hundred seventy-two million, eight hundred twenty-three thousand, two hundred fifty-nine".