673916741 has 2 divisors, whose sum is σ = 673916742. Its totient is φ = 673916740.

The previous prime is 673916731. The next prime is 673916827. The reversal of 673916741 is 147619376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576480100 + 97436641 = 24010^2 + 9871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673916741 is a prime.

It is a super-2 number, since 2×673916741² = 908327547600122162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 673916692 and 673916701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673916731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336958370 + 336958371.

It is an arithmetic number, because the mean of its divisors is an integer number (336958371).

Almost surely, 2^673916741 is an apocalyptic number.

It is an amenable number.

673916741 is a deficient number, since it is larger than the sum of its proper divisors (1).

673916741 is an equidigital number, since it uses as much as digits as its factorization.

673916741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 673916741 is about 25959.9064135447. The cubic root of 673916741 is about 876.7358156183.

The spelling of 673916741 in words is "six hundred seventy-three million, nine hundred sixteen thousand, seven hundred forty-one".