66313347 has 8 divisors (see below), whose sum is σ = 92262144. Its totient is φ = 42286728.

The previous prime is 66313339. The next prime is 66313349. The reversal of 66313347 is 74331366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66313347 - 2³ = 66313339 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (66313349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480463 + ... + 480600.

It is an arithmetic number, because the mean of its divisors is an integer number (11532768).

Almost surely, 2^66313347 is an apocalyptic number.

66313347 is a deficient number, since it is larger than the sum of its proper divisors (25948797).

66313347 is a wasteful number, since it uses less digits than its factorization.

66313347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961089.

The product of its digits is 27216, while the sum is 33.

The square root of 66313347 is about 8143.3007435560. The cubic root of 66313347 is about 404.7625433212.

The spelling of 66313347 in words is "sixty-six million, three hundred thirteen thousand, three hundred forty-seven".