66476694 has 8 divisors (see below), whose sum is σ = 132953400. Its totient is φ = 22158896.

The previous prime is 66476677. The next prime is 66476699. The reversal of 66476694 is 49667466.

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

66476694 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66476699) 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, 5539719 + ... + 5539730.

It is an arithmetic number, because the mean of its divisors is an integer number (16619175).

Almost surely, 2^66476694 is an apocalyptic number.

66476694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66476694 is a wasteful number, since it uses less digits than its factorization.

66476694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079454.

The product of its digits is 1306368, while the sum is 48.

The square root of 66476694 is about 8153.3241073810. The cubic root of 66476694 is about 405.0946159067.

The spelling of 66476694 in words is "sixty-six million, four hundred seventy-six thousand, six hundred ninety-four".