672182373257 has 2 divisors, whose sum is σ = 672182373258. Its totient is φ = 672182373256.

The previous prime is 672182373221. The next prime is 672182373287. The reversal of 672182373257 is 752373281276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 646229485456 + 25952887801 = 803884^2 + 161099^2 .

It is a cyclic number.

It is not a de Polignac number, because 672182373257 - 2⁸ = 672182373001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672182373199 and 672182373208.

It is not a weakly prime, because it can be changed into another prime (672182373287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336091186628 + 336091186629.

It is an arithmetic number, because the mean of its divisors is an integer number (336091186629).

Almost surely, 2^672182373257 is an apocalyptic number.

It is an amenable number.

672182373257 is a deficient number, since it is larger than the sum of its proper divisors (1).

672182373257 is an equidigital number, since it uses as much as digits as its factorization.

672182373257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 53.

The spelling of 672182373257 in words is "six hundred seventy-two billion, one hundred eighty-two million, three hundred seventy-three thousand, two hundred fifty-seven".