66231748 has 48 divisors (see below), whose sum is σ = 132894720. Its totient is φ = 28605600.

The previous prime is 66231731. The next prime is 66231757. The reversal of 66231748 is 84713266.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80065 + ... + 80887.

It is an arithmetic number, because the mean of its divisors is an integer number (2768640).

Almost surely, 2^66231748 is an apocalyptic number.

It is an amenable number.

66231748 is an abundant number, since it is smaller than the sum of its proper divisors (66662972).

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

66231748 is a wasteful number, since it uses less digits than its factorization.

66231748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 926 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 66231748 is about 8138.2890093680. The cubic root of 66231748 is about 404.5964542070.

The spelling of 66231748 in words is "sixty-six million, two hundred thirty-one thousand, seven hundred forty-eight".