6742081 has 12 divisors (see below), whose sum is σ = 7349580. Its totient is φ = 6179840.

The previous prime is 6742067. The next prime is 6742091. The reversal of 6742081 is 1802476.

It can be written as a sum of positive squares in 6 ways, for example, as 193600 + 6548481 = 440^2 + 2559^2 .

It is not a de Polignac number, because 6742081 - 2⁷ = 6741953 is a prime.

It is a super-2 number, since 2×6742081² = 90911312421122, which contains 22 as substring.

It is a Duffinian number.

6742081 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11565 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (612465).

Almost surely, 2^6742081 is an apocalyptic number.

It is an amenable number.

6742081 is a deficient number, since it is larger than the sum of its proper divisors (607499).

6742081 is a wasteful number, since it uses less digits than its factorization.

6742081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 6742081 is about 2596.5517518432. The cubic root of 6742081 is about 188.9142225280.

The spelling of 6742081 in words is "six million, seven hundred forty-two thousand, eighty-one".