6906739 has 8 divisors (see below), whose sum is σ = 8236800. Its totient is φ = 5662536.

The previous prime is 6906719. The next prime is 6906761. The reversal of 6906739 is 9376096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6906739 - 2¹¹ = 6904691 is a prime.

It is a super-2 number, since 2×6906739² = 95406087228242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6906719) 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 in 7 ways as a sum of consecutive naturals, for example, 21289 + ... + 21610.

It is an arithmetic number, because the mean of its divisors is an integer number (1029600).

Almost surely, 2^6906739 is an apocalyptic number.

6906739 is a deficient number, since it is larger than the sum of its proper divisors (1330061).

6906739 is a wasteful number, since it uses less digits than its factorization.

6906739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42929.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 6906739 is about 2628.0675409890. The cubic root of 6906739 is about 190.4397845888.

The spelling of 6906739 in words is "six million, nine hundred six thousand, seven hundred thirty-nine".