66470703 has 8 divisors (see below), whose sum is σ = 95445168. Its totient is φ = 40905024.

The previous prime is 66470699. The next prime is 66470711. The reversal of 66470703 is 30707466.

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

It is not a de Polignac number, because 66470703 - 2² = 66470699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66470753) 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, 852150 + ... + 852227.

It is an arithmetic number, because the mean of its divisors is an integer number (11930646).

Almost surely, 2^66470703 is an apocalyptic number.

66470703 is a deficient number, since it is larger than the sum of its proper divisors (28974465).

66470703 is a wasteful number, since it uses less digits than its factorization.

66470703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704393.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 66470703 is about 8152.9567029391. The cubic root of 66470703 is about 405.0824462544.

The spelling of 66470703 in words is "sixty-six million, four hundred seventy thousand, seven hundred three".