6749907 has 4 divisors (see below), whose sum is σ = 8999880. Its totient is φ = 4499936.

The previous prime is 6749903. The next prime is 6749917. The reversal of 6749907 is 7099476.

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 6749907 - 2² = 6749903 is a prime.

It is a super-2 number, since 2×6749907² = 91122489017298, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6749903) 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, 1124982 + ... + 1124987.

It is an arithmetic number, because the mean of its divisors is an integer number (2249970).

Almost surely, 2^6749907 is an apocalyptic number.

6749907 is a deficient number, since it is larger than the sum of its proper divisors (2249973).

6749907 is a wasteful number, since it uses less digits than its factorization.

6749907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249972.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6749907 is about 2598.0583134333. The cubic root of 6749907 is about 188.9872895346.

The spelling of 6749907 in words is "six million, seven hundred forty-nine thousand, nine hundred seven".