6744945 has 8 divisors (see below), whose sum is σ = 10791936. Its totient is φ = 3597296.

The previous prime is 6744931. The next prime is 6744961. The reversal of 6744945 is 5494476.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6744945 - 2⁷ = 6744817 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224817 + ... + 224846.

It is an arithmetic number, because the mean of its divisors is an integer number (1348992).

Almost surely, 2^6744945 is an apocalyptic number.

It is an amenable number.

6744945 is a deficient number, since it is larger than the sum of its proper divisors (4046991).

6744945 is a wasteful number, since it uses less digits than its factorization.

6744945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449671.

The product of its digits is 120960, while the sum is 39.

The square root of 6744945 is about 2597.1031939451. The cubic root of 6744945 is about 188.9409686588.

The spelling of 6744945 in words is "six million, seven hundred forty-four thousand, nine hundred forty-five".