66479345 has 8 divisors (see below), whose sum is σ = 82348800. Its totient is φ = 51467760.

The previous prime is 66479323. The next prime is 66479353. The reversal of 66479345 is 54397466.

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

It is not a de Polignac number, because 66479345 - 2⁸ = 66479089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66479296 and 66479305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214295 + ... + 214604.

It is an arithmetic number, because the mean of its divisors is an integer number (10293600).

Almost surely, 2^66479345 is an apocalyptic number.

It is an amenable number.

66479345 is a deficient number, since it is larger than the sum of its proper divisors (15869455).

66479345 is a wasteful number, since it uses less digits than its factorization.

66479345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428935.

The product of its digits is 544320, while the sum is 44.

The square root of 66479345 is about 8153.4866774896. The cubic root of 66479345 is about 405.1000007089.

The spelling of 66479345 in words is "sixty-six million, four hundred seventy-nine thousand, three hundred forty-five".