6738005 has 16 divisors (see below), whose sum is σ = 8640000. Its totient is φ = 5033280.

The previous prime is 6737987. The next prime is 6738007. The reversal of 6738005 is 5008376.

It is a de Polignac number, because none of the positive numbers 2^k-6738005 is a prime.

It is a super-2 number, since 2×6738005² = 90801422760050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738007) 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 15 ways as a sum of consecutive naturals, for example, 3746 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (540000).

Almost surely, 2^6738005 is an apocalyptic number.

6738005 is the 1499-th octagonal number.

It is an amenable number.

6738005 is a deficient number, since it is larger than the sum of its proper divisors (1901995).

6738005 is a wasteful number, since it uses less digits than its factorization.

6738005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 6738005 is about 2595.7667460695. The cubic root of 6738005 is about 188.8761447893.

The spelling of 6738005 in words is "six million, seven hundred thirty-eight thousand, five".