6761623 has 4 divisors (see below), whose sum is σ = 7376328. Its totient is φ = 6146920.

The previous prime is 6761603. The next prime is 6761633. The reversal of 6761623 is 3261676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6761623 - 2¹⁷ = 6630551 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

6761623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307336 + ... + 307357.

It is an arithmetic number, because the mean of its divisors is an integer number (1844082).

Almost surely, 2^6761623 is an apocalyptic number.

6761623 is a deficient number, since it is larger than the sum of its proper divisors (614705).

6761623 is a wasteful number, since it uses less digits than its factorization.

6761623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614704.

The product of its digits is 9072, while the sum is 31.

The square root of 6761623 is about 2600.3120966530. The cubic root of 6761623 is about 189.0965698180.

The spelling of 6761623 in words is "six million, seven hundred sixty-one thousand, six hundred twenty-three".