64039296 has 64 divisors (see below), whose sum is σ = 172339200. Its totient is φ = 21066240.

The previous prime is 64039259. The next prime is 64039307. The reversal of 64039296 is 69293046.

64039296 = T₁₆ + T₁₇ + ... + T₇₂₆.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29281 + ... + 31391.

It is an arithmetic number, because the mean of its divisors is an integer number (2692800).

Almost surely, 2^64039296 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 64039296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86169600).

64039296 is an abundant number, since it is smaller than the sum of its proper divisors (108299904).

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

64039296 is a wasteful number, since it uses less digits than its factorization.

64039296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 64039296 is about 8002.4556231197. The cubic root of 64039296 is about 400.0818499170.

The spelling of 64039296 in words is "sixty-four million, thirty-nine thousand, two hundred ninety-six".