6768477 has 6 divisors (see below), whose sum is σ = 9776702. Its totient is φ = 4512312.

The previous prime is 6768473. The next prime is 6768481. The reversal of 6768477 is 7748676.

It is an interprime number because it is at equal distance from previous prime (6768473) and next prime (6768481).

It can be written as a sum of positive squares in only one way, i.e., 3709476 + 3059001 = 1926^2 + 1749^2 .

It is not a de Polignac number, because 6768477 - 2² = 6768473 is a prime.

It is a Duffinian number.

6768477 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6768473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376018 + ... + 376035.

Almost surely, 2^6768477 is an apocalyptic number.

It is an amenable number.

6768477 is a deficient number, since it is larger than the sum of its proper divisors (3008225).

6768477 is a wasteful number, since it uses less digits than its factorization.

6768477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752059 (or 752056 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 6768477 is about 2601.6296815650. The cubic root of 6768477 is about 189.1604415744.

The spelling of 6768477 in words is "six million, seven hundred sixty-eight thousand, four hundred seventy-seven".