6667963 has 4 divisors (see below), whose sum is σ = 6673408. Its totient is φ = 6662520.

The previous prime is 6667951. The next prime is 6667979. The reversal of 6667963 is 3697666.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6667963 - 2⁵ = 6667931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6667933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (1668352).

Almost surely, 2^6667963 is an apocalyptic number.

6667963 is a deficient number, since it is larger than the sum of its proper divisors (5445).

6667963 is a wasteful number, since it uses less digits than its factorization.

6667963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444.

The product of its digits is 244944, while the sum is 43.

The square root of 6667963 is about 2582.2399191400. The cubic root of 6667963 is about 188.2194039493.

The spelling of 6667963 in words is "six million, six hundred sixty-seven thousand, nine hundred sixty-three".