64430171 has 8 divisors (see below), whose sum is σ = 69474720. Its totient is φ = 59398272.

The previous prime is 64430167. The next prime is 64430189. The reversal of 64430171 is 17103446.

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

It is a cyclic number.

It is not a de Polignac number, because 64430171 - 2² = 64430167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64430171.

It is not an unprimeable number, because it can be changed into a prime (64435171) 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, 9251 + ... + 14643.

It is an arithmetic number, because the mean of its divisors is an integer number (8684340).

Almost surely, 2^64430171 is an apocalyptic number.

64430171 is a deficient number, since it is larger than the sum of its proper divisors (5044549).

64430171 is a wasteful number, since it uses less digits than its factorization.

64430171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 64430171 is about 8026.8406611817. The cubic root of 64430171 is about 400.8941891582.

The spelling of 64430171 in words is "sixty-four million, four hundred thirty thousand, one hundred seventy-one".