6740258 has 8 divisors (see below), whose sum is σ = 11554752. Its totient is φ = 2888676.

The previous prime is 6740197. The next prime is 6740273. The reversal of 6740258 is 8520476.

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

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 240710 + ... + 240737.

It is an arithmetic number, because the mean of its divisors is an integer number (1444344).

Almost surely, 2^6740258 is an apocalyptic number.

6740258 is a deficient number, since it is larger than the sum of its proper divisors (4814494).

6740258 is a wasteful number, since it uses less digits than its factorization.

6740258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481456.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 6740258 is about 2596.2006856174. The cubic root of 6740258 is about 188.8971940729.

The spelling of 6740258 in words is "six million, seven hundred forty thousand, two hundred fifty-eight".