6747747 has 8 divisors (see below), whose sum is σ = 9014544. Its totient is φ = 4489728.

The previous prime is 6747733. The next prime is 6747761. The reversal of 6747747 is 7477476.

It is an interprime number because it is at equal distance from previous prime (6747733) and next prime (6747761).

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

It is not a de Polignac number, because 6747747 - 2⁴ = 6747731 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6747699 and 6747708.

It is not an unprimeable number, because it can be changed into a prime (6747707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (1126818).

Almost surely, 2^6747747 is an apocalyptic number.

6747747 is a deficient number, since it is larger than the sum of its proper divisors (2266797).

6747747 is a wasteful number, since it uses less digits than its factorization.

6747747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389.

The product of its digits is 230496, while the sum is 42.

The square root of 6747747 is about 2597.6425851144. The cubic root of 6747747 is about 188.9671284620.

The spelling of 6747747 in words is "six million, seven hundred forty-seven thousand, seven hundred forty-seven".