791672417 has 2 divisors, whose sum is σ = 791672418. Its totient is φ = 791672416.

The previous prime is 791672383. The next prime is 791672423. The reversal of 791672417 is 714276197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761980816 + 29691601 = 27604^2 + 5449^2 .

It is a cyclic number.

It is not a de Polignac number, because 791672417 - 2⁶ = 791672353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (791672467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395836208 + 395836209.

It is an arithmetic number, because the mean of its divisors is an integer number (395836209).

Almost surely, 2^791672417 is an apocalyptic number.

It is an amenable number.

791672417 is a deficient number, since it is larger than the sum of its proper divisors (1).

791672417 is an equidigital number, since it uses as much as digits as its factorization.

791672417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 44.

The square root of 791672417 is about 28136.6738794762. The cubic root of 791672417 is about 925.0854236181.

The spelling of 791672417 in words is "seven hundred ninety-one million, six hundred seventy-two thousand, four hundred seventeen".