6747591 has 4 divisors (see below), whose sum is σ = 8996792. Its totient is φ = 4498392.

The previous prime is 6747583. The next prime is 6747599. The reversal of 6747591 is 1957476.

6747591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6747583) and next prime (6747599).

It is not a de Polignac number, because 6747591 - 2³ = 6747583 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6747599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124596 + ... + 1124601.

It is an arithmetic number, because the mean of its divisors is an integer number (2249198).

Almost surely, 2^6747591 is an apocalyptic number.

6747591 is a deficient number, since it is larger than the sum of its proper divisors (2249201).

6747591 is a wasteful number, since it uses less digits than its factorization.

6747591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249200.

The product of its digits is 52920, while the sum is 39.

The square root of 6747591 is about 2597.6125577153. The cubic root of 6747591 is about 188.9656722179.

The spelling of 6747591 in words is "six million, seven hundred forty-seven thousand, five hundred ninety-one".