64471296 has 72 divisors (see below), whose sum is σ = 173200384. Its totient is φ = 21288960.

The previous prime is 64471283. The next prime is 64471331. The reversal of 64471296 is 69217446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97206 + ... + 97866.

Almost surely, 2^64471296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64471296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86600192).

64471296 is an abundant number, since it is smaller than the sum of its proper divisors (108729088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64471296 is a wasteful number, since it uses less digits than its factorization.

64471296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 793 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 64471296 is about 8029.4019702591. The cubic root of 64471296 is about 400.9794663234.

The spelling of 64471296 in words is "sixty-four million, four hundred seventy-one thousand, two hundred ninety-six".