66304467 has 16 divisors (see below), whose sum is σ = 99415680. Its totient is φ = 43668936.

The previous prime is 66304457. The next prime is 66304489. The reversal of 66304467 is 76440366.

It is not a de Polignac number, because 66304467 - 2⁸ = 66304211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66304457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12553 + ... + 17034.

It is an arithmetic number, because the mean of its divisors is an integer number (6213480).

Almost surely, 2^66304467 is an apocalyptic number.

66304467 is a deficient number, since it is larger than the sum of its proper divisors (33111213).

66304467 is a wasteful number, since it uses less digits than its factorization.

66304467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29679 (or 29673 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 66304467 is about 8142.7554918467. The cubic root of 66304467 is about 404.7444753053.

The spelling of 66304467 in words is "sixty-six million, three hundred four thousand, four hundred sixty-seven".