6423747 has 8 divisors (see below), whose sum is σ = 9343680. Its totient is φ = 3893160.

The previous prime is 6423737. The next prime is 6423749. The reversal of 6423747 is 7473246.

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

It is not a de Polignac number, because 6423747 - 2¹⁶ = 6358211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 194659 = 6423747 / (6 + 4 + 2 + 3 + 7 + 4 + 7).

It is a d-powerful number, because it can be written as 6⁵ + 4⁴ + 2²¹ + 3⁸ + 7² + 4¹¹ + 7⁶ .

It is not an unprimeable number, because it can be changed into a prime (6423749) 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, 97297 + ... + 97362.

It is an arithmetic number, because the mean of its divisors is an integer number (1167960).

Almost surely, 2^6423747 is an apocalyptic number.

6423747 is a deficient number, since it is larger than the sum of its proper divisors (2919933).

6423747 is a wasteful number, since it uses less digits than its factorization.

6423747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194673.

The product of its digits is 28224, while the sum is 33.

The square root of 6423747 is about 2534.5111954773. The cubic root of 6423747 is about 185.8929028508.

The spelling of 6423747 in words is "six million, four hundred twenty-three thousand, seven hundred forty-seven".