6724993 has 16 divisors (see below), whose sum is σ = 8064000. Its totient is φ = 5536080.

The previous prime is 6724987. The next prime is 6724999. The reversal of 6724993 is 3994276.

It is an interprime number because it is at equal distance from previous prime (6724987) and next prime (6724999).

It is not a de Polignac number, because 6724993 - 2²¹ = 4627841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6724999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4108 + ... + 5506.

It is an arithmetic number, because the mean of its divisors is an integer number (504000).

Almost surely, 2^6724993 is an apocalyptic number.

It is an amenable number.

6724993 is a deficient number, since it is larger than the sum of its proper divisors (1339007).

6724993 is a wasteful number, since it uses less digits than its factorization.

6724993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 81648, while the sum is 40.

The square root of 6724993 is about 2593.2591463253. The cubic root of 6724993 is about 188.7544846383.

It can be divided in two parts, 672 and 4993, that added together give a palindrome (5665).

The spelling of 6724993 in words is "six million, seven hundred twenty-four thousand, nine hundred ninety-three".