64470888 has 48 divisors (see below), whose sum is σ = 176588100. Its totient is φ = 21246720.

The previous prime is 64470883. The next prime is 64470937. The reversal of 64470888 is 88807446.

It can be written as a sum of positive squares in 2 ways, for example, as 63393444 + 1077444 = 7962^2 + 1038^2 .

It is not an unprimeable number, because it can be changed into a prime (64470883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378 + ... + 11438.

Almost surely, 2^64470888 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 64470888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88294050).

64470888 is an abundant number, since it is smaller than the sum of its proper divisors (112117212).

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

64470888 is a wasteful number, since it uses less digits than its factorization.

64470888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162 (or 10155 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 64470888 is about 8029.3765635945. The cubic root of 64470888 is about 400.9786204691.

The spelling of 64470888 in words is "sixty-four million, four hundred seventy thousand, eight hundred eighty-eight".