66233474 has 8 divisors (see below), whose sum is σ = 99606780. Its totient is φ = 33031216.

The previous prime is 66233473. The next prime is 66233483. The reversal of 66233474 is 47433266.

It can be written as a sum of positive squares in 2 ways, for example, as 58905625 + 7327849 = 7675^2 + 2707^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66233471) 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, 41789 + ... + 43344.

Almost surely, 2^66233474 is an apocalyptic number.

66233474 is a deficient number, since it is larger than the sum of its proper divisors (33373306).

66233474 is a wasteful number, since it uses less digits than its factorization.

66233474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85524.

The product of its digits is 72576, while the sum is 35.

The square root of 66233474 is about 8138.3950506227. The cubic root of 66233474 is about 404.5999687724.

The spelling of 66233474 in words is "sixty-six million, two hundred thirty-three thousand, four hundred seventy-four".