66264472 has 32 divisors (see below), whose sum is σ = 130572000. Its totient is φ = 31465984.

The previous prime is 66264439. The next prime is 66264491. The reversal of 66264472 is 27446266.

It is a congruent number.

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, 26208 + ... + 28624.

It is an arithmetic number, because the mean of its divisors is an integer number (4080375).

Almost surely, 2^66264472 is an apocalyptic number.

It is an amenable number.

66264472 is a deficient number, since it is larger than the sum of its proper divisors (64307528).

66264472 is a wasteful number, since it uses less digits than its factorization.

66264472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2591 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 66264472 is about 8140.2992573983. The cubic root of 66264472 is about 404.6630780182.

The spelling of 66264472 in words is "sixty-six million, two hundred sixty-four thousand, four hundred seventy-two".