6861073 has 2 divisors, whose sum is σ = 6861074. Its totient is φ = 6861072.

The previous prime is 6861067. The next prime is 6861077. The reversal of 6861073 is 3701686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4464769 + 2396304 = 2113^2 + 1548^2 .

It is a cyclic number.

It is not a de Polignac number, because 6861073 - 2⁹ = 6860561 is a prime.

It is a super-2 number, since 2×6861073² = 94148645422658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6861077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430536 + 3430537.

It is an arithmetic number, because the mean of its divisors is an integer number (3430537).

Almost surely, 2^6861073 is an apocalyptic number.

It is an amenable number.

6861073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6861073 is an equidigital number, since it uses as much as digits as its factorization.

6861073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6861073 is about 2619.3649993844. The cubic root of 6861073 is about 190.0191393462.

The spelling of 6861073 in words is "six million, eight hundred sixty-one thousand, seventy-three".