645635714 has 8 divisors (see below), whose sum is σ = 1010560320. Its totient is φ = 308782276.

The previous prime is 645635701. The next prime is 645635717. The reversal of 645635714 is 417536546.

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

It is not an unprimeable number, because it can be changed into a prime (645635717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7017734 + ... + 7017825.

It is an arithmetic number, because the mean of its divisors is an integer number (126320040).

Almost surely, 2^645635714 is an apocalyptic number.

645635714 is a deficient number, since it is larger than the sum of its proper divisors (364924606).

645635714 is a wasteful number, since it uses less digits than its factorization.

645635714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035584.

The product of its digits is 302400, while the sum is 41.

The square root of 645635714 is about 25409.3627232168. The cubic root of 645635714 is about 864.2960242860.

The spelling of 645635714 in words is "six hundred forty-five million, six hundred thirty-five thousand, seven hundred fourteen".