6791091 has 16 divisors (see below), whose sum is σ = 9377184. Its totient is φ = 4368384.

The previous prime is 6791051. The next prime is 6791101. The reversal of 6791091 is 1901976.

It is not a de Polignac number, because 6791091 - 2⁷ = 6790963 is a prime.

It is a super-2 number, since 2×6791091² = 92237833940562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6791051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21265 + ... + 21581.

It is an arithmetic number, because the mean of its divisors is an integer number (586074).

Almost surely, 2^6791091 is an apocalyptic number.

6791091 is a deficient number, since it is larger than the sum of its proper divisors (2586093).

6791091 is a wasteful number, since it uses less digits than its factorization.

6791091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 6791091 is about 2605.9721794371. The cubic root of 6791091 is about 189.3708738985.

It can be divided in two parts, 679 and 1091, that added together give a triangular number (1770 = T₅₉).

The spelling of 6791091 in words is "six million, seven hundred ninety-one thousand, ninety-one".