6740215 has 8 divisors (see below), whose sum is σ = 8105328. Its totient is φ = 5380800.

The previous prime is 6740197. The next prime is 6740273. The reversal of 6740215 is 5120476.

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

It is not a de Polignac number, because 6740215 - 2⁵ = 6740183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6740215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 4126.

It is an arithmetic number, because the mean of its divisors is an integer number (1013166).

Almost surely, 2^6740215 is an apocalyptic number.

6740215 is a deficient number, since it is larger than the sum of its proper divisors (1365113).

6740215 is a wasteful number, since it uses less digits than its factorization.

6740215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 6740215 is about 2596.1924042721. The cubic root of 6740215 is about 188.8967923772.

The spelling of 6740215 in words is "six million, seven hundred forty thousand, two hundred fifteen".