672654949 has 2 divisors, whose sum is σ = 672654950. Its totient is φ = 672654948.

The previous prime is 672654943. The next prime is 672655003. The reversal of 672654949 is 949456276.

672654949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585978849 + 86676100 = 24207^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 672654949 - 2⁷ = 672654821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672654896 and 672654905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672654943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336327474 + 336327475.

It is an arithmetic number, because the mean of its divisors is an integer number (336327475).

Almost surely, 2^672654949 is an apocalyptic number.

It is an amenable number.

672654949 is a deficient number, since it is larger than the sum of its proper divisors (1).

672654949 is an equidigital number, since it uses as much as digits as its factorization.

672654949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 672654949 is about 25935.5923202074. The cubic root of 672654949 is about 876.1882952717.

The spelling of 672654949 in words is "six hundred seventy-two million, six hundred fifty-four thousand, nine hundred forty-nine".