66704902 has 8 divisors (see below), whose sum is σ = 109153512. Its totient is φ = 30320400.

The previous prime is 66704893. The next prime is 66704921. The reversal of 66704902 is 20940766.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1515999 + ... + 1516042.

It is an arithmetic number, because the mean of its divisors is an integer number (13644189).

Almost surely, 2^66704902 is an apocalyptic number.

66704902 is a deficient number, since it is larger than the sum of its proper divisors (42448610).

66704902 is a wasteful number, since it uses less digits than its factorization.

66704902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032054.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 66704902 is about 8167.3069000742. The cubic root of 66704902 is about 405.5576365635.

The spelling of 66704902 in words is "sixty-six million, seven hundred four thousand, nine hundred two".