6475739 has 2 divisors, whose sum is σ = 6475740. Its totient is φ = 6475738.

The previous prime is 6475717. The next prime is 6475741. The reversal of 6475739 is 9375746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6475739 - 2¹² = 6471643 is a prime.

It is a super-2 number, since 2×6475739² = 83870391192242, which contains 22 as substring.

Together with 6475741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6475696 and 6475705.

It is not a weakly prime, because it can be changed into another prime (6475939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3237869 + 3237870.

It is an arithmetic number, because the mean of its divisors is an integer number (3237870).

Almost surely, 2^6475739 is an apocalyptic number.

6475739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6475739 is an equidigital number, since it uses as much as digits as its factorization.

6475739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 6475739 is about 2544.7473351985. The cubic root of 6475739 is about 186.3930774536.

The spelling of 6475739 in words is "six million, four hundred seventy-five thousand, seven hundred thirty-nine".