66479522 has 8 divisors (see below), whose sum is σ = 104054976. Its totient is φ = 31794532.

The previous prime is 66479509. The next prime is 66479549. The reversal of 66479522 is 22597466.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66479522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722558 + ... + 722649.

It is an arithmetic number, because the mean of its divisors is an integer number (13006872).

Almost surely, 2^66479522 is an apocalyptic number.

66479522 is a deficient number, since it is larger than the sum of its proper divisors (37575454).

66479522 is a wasteful number, since it uses less digits than its factorization.

66479522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445232.

The product of its digits is 181440, while the sum is 41.

The square root of 66479522 is about 8153.4975317345. The cubic root of 66479522 is about 405.1003602323.

The spelling of 66479522 in words is "sixty-six million, four hundred seventy-nine thousand, five hundred twenty-two".