6740726 has 4 divisors (see below), whose sum is σ = 10111092. Its totient is φ = 3370362.

The previous prime is 6740719. The next prime is 6740737. The reversal of 6740726 is 6270476.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 6740692 and 6740701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685180 + ... + 1685183.

It is an arithmetic number, because the mean of its divisors is an integer number (2527773).

Almost surely, 2^6740726 is an apocalyptic number.

6740726 is a deficient number, since it is larger than the sum of its proper divisors (3370366).

6740726 is a wasteful number, since it uses less digits than its factorization.

6740726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370365.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 6740726 is about 2596.2908157601. The cubic root of 6740726 is about 188.9015659056.

The spelling of 6740726 in words is "six million, seven hundred forty thousand, seven hundred twenty-six".