66704410 has 16 divisors (see below), whose sum is σ = 120335616. Its totient is φ = 26622288.

The previous prime is 66704387. The next prime is 66704411. The reversal of 66704410 is 1440766.

It is not an unprimeable number, because it can be changed into a prime (66704411) 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, 2574 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (7520976).

Almost surely, 2^66704410 is an apocalyptic number.

66704410 is a deficient number, since it is larger than the sum of its proper divisors (53631206).

66704410 is a wasteful number, since it uses less digits than its factorization.

66704410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14877.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 66704410 is about 8167.2767799310. The cubic root of 66704410 is about 405.5566394611.

The spelling of 66704410 in words is "sixty-six million, seven hundred four thousand, four hundred ten".