66471932 has 12 divisors (see below), whose sum is σ = 121383696. Its totient is φ = 31790880.

The previous prime is 66471929. The next prime is 66471949. The reversal of 66471932 is 23917466.

It is a congruent number.

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, 361169 + ... + 361352.

It is an arithmetic number, because the mean of its divisors is an integer number (10115308).

Almost surely, 2^66471932 is an apocalyptic number.

It is an amenable number.

66471932 is a deficient number, since it is larger than the sum of its proper divisors (54911764).

66471932 is a wasteful number, since it uses less digits than its factorization.

66471932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722548 (or 722546 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 66471932 is about 8153.0320740201. The cubic root of 66471932 is about 405.0849428092.

The spelling of 66471932 in words is "sixty-six million, four hundred seventy-one thousand, nine hundred thirty-two".