6742556 has 12 divisors (see below), whose sum is σ = 11823168. Its totient is φ = 3364512.

The previous prime is 6742553. The next prime is 6742559. The reversal of 6742556 is 6552476.

It is an interprime number because it is at equal distance from previous prime (6742553) and next prime (6742559).

It is a super-2 number, since 2×6742556² = 90924122826272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742553) by changing a digit.

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, 1040 + ... + 3816.

It is an arithmetic number, because the mean of its divisors is an integer number (985264).

Almost surely, 2^6742556 is an apocalyptic number.

It is an amenable number.

6742556 is a deficient number, since it is larger than the sum of its proper divisors (5080612).

6742556 is a wasteful number, since it uses less digits than its factorization.

6742556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388 (or 3386 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 6742556 is about 2596.6432176947. The cubic root of 6742556 is about 188.9186589500.

The spelling of 6742556 in words is "six million, seven hundred forty-two thousand, five hundred fifty-six".