672038579 has 2 divisors, whose sum is σ = 672038580. Its totient is φ = 672038578.

The previous prime is 672038573. The next prime is 672038623. The reversal of 672038579 is 975830276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672038579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (672038573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336019289 + 336019290.

It is an arithmetic number, because the mean of its divisors is an integer number (336019290).

Almost surely, 2^672038579 is an apocalyptic number.

672038579 is a deficient number, since it is larger than the sum of its proper divisors (1).

672038579 is an equidigital number, since it uses as much as digits as its factorization.

672038579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 672038579 is about 25923.7068915693. The cubic root of 672038579 is about 875.9205893105.

The spelling of 672038579 in words is "six hundred seventy-two million, thirty-eight thousand, five hundred seventy-nine".