7861673 has 2 divisors, whose sum is σ = 7861674. Its totient is φ = 7861672.

The previous prime is 7861669. The next prime is 7861717. The reversal of 7861673 is 3761687.

7861673 is digitally balanced in base 3, 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., 4892944 + 2968729 = 2212^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 7861673 - 2² = 7861669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7861613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930836 + 3930837.

It is an arithmetic number, because the mean of its divisors is an integer number (3930837).

Almost surely, 2^7861673 is an apocalyptic number.

It is an amenable number.

7861673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7861673 is an equidigital number, since it uses as much as digits as its factorization.

7861673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 7861673 is about 2803.8675075688. The cubic root of 7861673 is about 198.8405665589.

The spelling of 7861673 in words is "seven million, eight hundred sixty-one thousand, six hundred seventy-three".