6412739 has 2 divisors, whose sum is σ = 6412740. Its totient is φ = 6412738.

The previous prime is 6412669. The next prime is 6412759. The reversal of 6412739 is 9372146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6412739 - 2¹⁶ = 6347203 is a prime.

It is a super-2 number, since 2×6412739² = 82246442964242, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6412759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206369 + 3206370.

It is an arithmetic number, because the mean of its divisors is an integer number (3206370).

Almost surely, 2^6412739 is an apocalyptic number.

6412739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6412739 is an equidigital number, since it uses as much as digits as its factorization.

6412739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 6412739 is about 2532.3386424410. The cubic root of 6412739 is about 185.7866575359.

The spelling of 6412739 in words is "six million, four hundred twelve thousand, seven hundred thirty-nine".