6764661 has 8 divisors (see below), whose sum is σ = 10021760. Its totient is φ = 4509756.

The previous prime is 6764633. The next prime is 6764671. The reversal of 6764661 is 1664676.

6764661 is a `hidden beast` number, since 6 + 7 + 646 + 6 + 1 = 666.

It is not a de Polignac number, because 6764661 - 2¹³ = 6756469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6764621) 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 7 ways as a sum of consecutive naturals, for example, 125245 + ... + 125298.

It is an arithmetic number, because the mean of its divisors is an integer number (1252720).

Almost surely, 2^6764661 is an apocalyptic number.

It is an amenable number.

6764661 is a deficient number, since it is larger than the sum of its proper divisors (3257099).

6764661 is a wasteful number, since it uses less digits than its factorization.

6764661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250552 (or 250546 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 6764661 is about 2600.8961917001. The cubic root of 6764661 is about 189.1248859666.

The spelling of 6764661 in words is "six million, seven hundred sixty-four thousand, six hundred sixty-one".