66704696 has 32 divisors (see below), whose sum is σ = 128726400. Its totient is φ = 32387040.

The previous prime is 66704689. The next prime is 66704749. The reversal of 66704696 is 69640766.

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, 72125 + ... + 73043.

It is an arithmetic number, because the mean of its divisors is an integer number (4022700).

Almost surely, 2^66704696 is an apocalyptic number.

It is an amenable number.

66704696 is a deficient number, since it is larger than the sum of its proper divisors (62021704).

66704696 is a wasteful number, since it uses less digits than its factorization.

66704696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 66704696 is about 8167.2942888083. The cubic root of 66704696 is about 405.5572190781.

The spelling of 66704696 in words is "sixty-six million, seven hundred four thousand, six hundred ninety-six".