6672439 has 8 divisors (see below), whose sum is σ = 7187840. Its totient is φ = 6173496.

The previous prime is 6672433. The next prime is 6672467. The reversal of 6672439 is 9342766.

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 6672439 - 2²¹ = 4575287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6672398 and 6672407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6672433) 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, 3267 + ... + 4900.

It is an arithmetic number, because the mean of its divisors is an integer number (898480).

Almost surely, 2^6672439 is an apocalyptic number.

6672439 is the 1634-th heptagonal number.

6672439 is a deficient number, since it is larger than the sum of its proper divisors (515401).

6672439 is a wasteful number, since it uses less digits than its factorization.

6672439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229.

The product of its digits is 54432, while the sum is 37.

The square root of 6672439 is about 2583.1064631563. The cubic root of 6672439 is about 188.2615098425.

The spelling of 6672439 in words is "six million, six hundred seventy-two thousand, four hundred thirty-nine".