6751667 has 4 divisors (see below), whose sum is σ = 7271040. Its totient is φ = 6232296.

The previous prime is 6751651. The next prime is 6751681. The reversal of 6751667 is 7661576.

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

It is a cyclic number.

It is not a de Polignac number, because 6751667 - 2⁴ = 6751651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6751667.

It is not an unprimeable number, because it can be changed into a prime (6751687) 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, 259667 + ... + 259692.

It is an arithmetic number, because the mean of its divisors is an integer number (1817760).

Almost surely, 2^6751667 is an apocalyptic number.

6751667 is a deficient number, since it is larger than the sum of its proper divisors (519373).

6751667 is a wasteful number, since it uses less digits than its factorization.

6751667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519372.

The product of its digits is 52920, while the sum is 38.

The square root of 6751667 is about 2598.3970058480. The cubic root of 6751667 is about 189.0037138955.

Subtracting 6751667 from its reverse (7661576), we obtain a palindrome (909909).

The spelling of 6751667 in words is "six million, seven hundred fifty-one thousand, six hundred sixty-seven".