66703332 has 24 divisors (see below), whose sum is σ = 155971872. Its totient is φ = 22187200.

The previous prime is 66703331. The next prime is 66703337. The reversal of 66703332 is 23330766.

It is a self number, because there is not a number n which added to its sum of digits gives 66703332.

It is not an unprimeable number, because it can be changed into a prime (66703331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 11552.

It is an arithmetic number, because the mean of its divisors is an integer number (6498828).

Almost surely, 2^66703332 is an apocalyptic number.

It is an amenable number.

66703332 is an abundant number, since it is smaller than the sum of its proper divisors (89268540).

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

66703332 is a wasteful number, since it uses less digits than its factorization.

66703332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819 (or 11817 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 66703332 is about 8167.2107845947. The cubic root of 66703332 is about 405.5544547359.

The spelling of 66703332 in words is "sixty-six million, seven hundred three thousand, three hundred thirty-two".