64736496 has 200 divisors, whose sum is σ = 216057600. Its totient is φ = 18506880.

The previous prime is 64736489. The next prime is 64736519. The reversal of 64736496 is 69463746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 270745 + ... + 270983.

It is an arithmetic number, because the mean of its divisors is an integer number (1080288).

Almost surely, 2^64736496 is an apocalyptic number.

64736496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64736496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108028800).

64736496 is an abundant number, since it is smaller than the sum of its proper divisors (151321104).

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

64736496 is a wasteful number, since it uses less digits than its factorization.

64736496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 274 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 64736496 is about 8045.8993282293. The cubic root of 64736496 is about 401.5285183062.

The spelling of 64736496 in words is "sixty-four million, seven hundred thirty-six thousand, four hundred ninety-six".