6742667 has 4 divisors (see below), whose sum is σ = 6886176. Its totient is φ = 6599160.

The previous prime is 6742651. The next prime is 6742691. The reversal of 6742667 is 7662476.

It is a happy number.

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 6742667 - 2⁴ = 6742651 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 6742667.

It is not an unprimeable number, because it can be changed into a prime (6742067) 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, 71684 + ... + 71777.

It is an arithmetic number, because the mean of its divisors is an integer number (1721544).

Almost surely, 2^6742667 is an apocalyptic number.

6742667 is a deficient number, since it is larger than the sum of its proper divisors (143509).

6742667 is a wasteful number, since it uses less digits than its factorization.

6742667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143508.

The product of its digits is 84672, while the sum is 38.

The square root of 6742667 is about 2596.6645913556. The cubic root of 6742667 is about 188.9196956417.

The spelling of 6742667 in words is "six million, seven hundred forty-two thousand, six hundred sixty-seven".