672674617 has 2 divisors, whose sum is σ = 672674618. Its totient is φ = 672674616.

The previous prime is 672674603. The next prime is 672674623. The reversal of 672674617 is 716476276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395651881 + 277022736 = 19891^2 + 16644^2 .

It is a cyclic number.

It is not a de Polignac number, because 672674617 - 2⁷ = 672674489 is a prime.

It is a super-2 number, since 2×672674617² = 904982280712193378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (672674657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336337308 + 336337309.

It is an arithmetic number, because the mean of its divisors is an integer number (336337309).

Almost surely, 2^672674617 is an apocalyptic number.

It is an amenable number.

672674617 is a deficient number, since it is larger than the sum of its proper divisors (1).

672674617 is an equidigital number, since it uses as much as digits as its factorization.

672674617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The square root of 672674617 is about 25935.9714874920. The cubic root of 672674617 is about 876.1968349167.

The spelling of 672674617 in words is "six hundred seventy-two million, six hundred seventy-four thousand, six hundred seventeen".