6426766 has 4 divisors (see below), whose sum is σ = 9640152. Its totient is φ = 3213382.

The previous prime is 6426757. The next prime is 6426781. The reversal of 6426766 is 6676246.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606690 + ... + 1606693.

It is an arithmetic number, because the mean of its divisors is an integer number (2410038).

Almost surely, 2^6426766 is an apocalyptic number.

6426766 is a deficient number, since it is larger than the sum of its proper divisors (3213386).

6426766 is a wasteful number, since it uses less digits than its factorization.

6426766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213385.

The product of its digits is 72576, while the sum is 37.

The square root of 6426766 is about 2535.1067038687. The cubic root of 6426766 is about 185.9220199574.

The spelling of 6426766 in words is "six million, four hundred twenty-six thousand, seven hundred sixty-six".