64576248 has 96 divisors (see below), whose sum is σ = 182550480. Its totient is φ = 19008000.

The previous prime is 64576201. The next prime is 64576283. The reversal of 64576248 is 84267546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107148 + ... + 107748.

Almost surely, 2^64576248 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 64576248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91275240).

64576248 is an abundant number, since it is smaller than the sum of its proper divisors (117974232).

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

64576248 is a wasteful number, since it uses less digits than its factorization.

64576248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 654 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 64576248 is about 8035.9347931650. The cubic root of 64576248 is about 401.1969314818.

The spelling of 64576248 in words is "sixty-four million, five hundred seventy-six thousand, two hundred forty-eight".