64871473 has 8 divisors (see below), whose sum is σ = 69230592. Its totient is φ = 60572736.

The previous prime is 64871467. The next prime is 64871483. The reversal of 64871473 is 37417846.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64871473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64871423) 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, 12865 + ... + 17182.

It is an arithmetic number, because the mean of its divisors is an integer number (8653824).

Almost surely, 2^64871473 is an apocalyptic number.

It is an amenable number.

64871473 is a deficient number, since it is larger than the sum of its proper divisors (4359119).

64871473 is a wasteful number, since it uses less digits than its factorization.

64871473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30191.

The product of its digits is 112896, while the sum is 40.

The square root of 64871473 is about 8054.2828979370. The cubic root of 64871473 is about 401.8073898050.

The spelling of 64871473 in words is "sixty-four million, eight hundred seventy-one thousand, four hundred seventy-three".