6761638 has 16 divisors (see below), whose sum is σ = 11190816. Its totient is φ = 3044160.

The previous prime is 6761633. The next prime is 6761659. The reversal of 6761638 is 8361676.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6761597 and 6761606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106 + ... + 4237.

It is an arithmetic number, because the mean of its divisors is an integer number (699426).

Almost surely, 2^6761638 is an apocalyptic number.

6761638 is a deficient number, since it is larger than the sum of its proper divisors (4429178).

6761638 is a wasteful number, since it uses less digits than its factorization.

6761638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399.

The product of its digits is 36288, while the sum is 37.

The square root of 6761638 is about 2600.3149809206. The cubic root of 6761638 is about 189.0967096487.

The spelling of 6761638 in words is "six million, seven hundred sixty-one thousand, six hundred thirty-eight".