672417973 has 2 divisors, whose sum is σ = 672417974. Its totient is φ = 672417972.

The previous prime is 672417959. The next prime is 672417989. The reversal of 672417973 is 379714276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658332964 + 14085009 = 25658^2 + 3753^2 .

It is a cyclic number.

It is not a de Polignac number, because 672417973 - 2²⁵ = 638863541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672417173) 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, 336208986 + 336208987.

It is an arithmetic number, because the mean of its divisors is an integer number (336208987).

Almost surely, 2^672417973 is an apocalyptic number.

It is an amenable number.

672417973 is a deficient number, since it is larger than the sum of its proper divisors (1).

672417973 is an equidigital number, since it uses as much as digits as its factorization.

672417973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

The square root of 672417973 is about 25931.0233697014. The cubic root of 672417973 is about 876.0853896211.

The spelling of 672417973 in words is "six hundred seventy-two million, four hundred seventeen thousand, nine hundred seventy-three".