6430766 has 4 divisors (see below), whose sum is σ = 9646152. Its totient is φ = 3215382.

The previous prime is 6430763. The next prime is 6430769. The reversal of 6430766 is 6670346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6670346 = 2 ⋅3335173.

It is an interprime number because it is at equal distance from previous prime (6430763) and next prime (6430769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607690 + ... + 1607693.

It is an arithmetic number, because the mean of its divisors is an integer number (2411538).

Almost surely, 2^6430766 is an apocalyptic number.

6430766 is a deficient number, since it is larger than the sum of its proper divisors (3215386).

6430766 is a wasteful number, since it uses less digits than its factorization.

6430766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215385.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 6430766 is about 2535.8955025789. The cubic root of 6430766 is about 185.9605843947.

The spelling of 6430766 in words is "six million, four hundred thirty thousand, seven hundred sixty-six".