64315671 has 8 divisors (see below), whose sum is σ = 98004864. Its totient is φ = 36751800.

The previous prime is 64315663. The next prime is 64315673. The reversal of 64315671 is 17651346.

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

It is not a de Polignac number, because 64315671 - 2³ = 64315663 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64315673) 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, 1531305 + ... + 1531346.

It is an arithmetic number, because the mean of its divisors is an integer number (12250608).

Almost surely, 2^64315671 is an apocalyptic number.

64315671 is a deficient number, since it is larger than the sum of its proper divisors (33689193).

64315671 is a wasteful number, since it uses less digits than its factorization.

64315671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062661.

The product of its digits is 15120, while the sum is 33.

The square root of 64315671 is about 8019.7051691443. The cubic root of 64315671 is about 400.6565696178.

The spelling of 64315671 in words is "sixty-four million, three hundred fifteen thousand, six hundred seventy-one".