6726556 has 6 divisors (see below), whose sum is σ = 11771480. Its totient is φ = 3363276.

The previous prime is 6726547. The next prime is 6726571. The reversal of 6726556 is 6556276.

It is a super-2 number, since 2×6726556² = 90493111242272, which contains 22 as substring.

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, 840816 + ... + 840823.

Almost surely, 2^6726556 is an apocalyptic number.

It is an amenable number.

6726556 is a deficient number, since it is larger than the sum of its proper divisors (5044924).

6726556 is a wasteful number, since it uses less digits than its factorization.

6726556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681643 (or 1681641 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 6726556 is about 2593.5604870525. The cubic root of 6726556 is about 188.7691067306.

The spelling of 6726556 in words is "six million, seven hundred twenty-six thousand, five hundred fifty-six".