6691072 has 36 divisors (see below), whose sum is σ = 13613040. Its totient is φ = 3281408.

The previous prime is 6691057. The next prime is 6691073. The reversal of 6691072 is 2701966.

It is not an unprimeable number, because it can be changed into a prime (6691073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14883 + ... + 15325.

It is an arithmetic number, because the mean of its divisors is an integer number (378140).

Almost surely, 2^6691072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6691072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6806520).

6691072 is an abundant number, since it is smaller than the sum of its proper divisors (6921968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6691072 is an equidigital number, since it uses as much as digits as its factorization.

6691072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 6691072 is about 2586.7106525470. The cubic root of 6691072 is about 188.4365890743.

The spelling of 6691072 in words is "six million, six hundred ninety-one thousand, seventy-two".