64494496 has 48 divisors (see below), whose sum is σ = 141771168. Its totient is φ = 28627200.

The previous prime is 64494467. The next prime is 64494503. The reversal of 64494496 is 69449446.

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, 13006 + ... + 17266.

It is an arithmetic number, because the mean of its divisors is an integer number (2953566).

Almost surely, 2^64494496 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 64494496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70885584).

64494496 is an abundant number, since it is smaller than the sum of its proper divisors (77276672).

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

64494496 is a wasteful number, since it uses less digits than its factorization.

64494496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4317 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 64494496 is about 8030.8465307214. The cubic root of 64494496 is about 401.0275580508.

The spelling of 64494496 in words is "sixty-four million, four hundred ninety-four thousand, four hundred ninety-six".