6724990 has 8 divisors (see below), whose sum is σ = 12105000. Its totient is φ = 2689992.

The previous prime is 6724987. The next prime is 6724999. The reversal of 6724990 is 994276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6724999) 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, 336240 + ... + 336259.

It is an arithmetic number, because the mean of its divisors is an integer number (1513125).

Almost surely, 2^6724990 is an apocalyptic number.

6724990 is a deficient number, since it is larger than the sum of its proper divisors (5380010).

6724990 is a wasteful number, since it uses less digits than its factorization.

6724990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672506.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 6724990 is about 2593.2585679026. The cubic root of 6724990 is about 188.7544565707.

The spelling of 6724990 in words is "six million, seven hundred twenty-four thousand, nine hundred ninety".