6791645 has 24 divisors (see below), whose sum is σ = 9986400. Its totient is φ = 4408992.

The previous prime is 6791623. The next prime is 6791677. The reversal of 6791645 is 5461976.

It is not a de Polignac number, because 6791645 - 2¹⁴ = 6775261 is a prime.

It is a super-2 number, since 2×6791645² = 92252883612050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6791599 and 6791608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3926 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (416100).

Almost surely, 2^6791645 is an apocalyptic number.

It is an amenable number.

6791645 is a deficient number, since it is larger than the sum of its proper divisors (3194755).

6791645 is a wasteful number, since it uses less digits than its factorization.

6791645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1490 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 6791645 is about 2606.0784715737. The cubic root of 6791645 is about 189.3760232239.

The spelling of 6791645 in words is "six million, seven hundred ninety-one thousand, six hundred forty-five".