64754720 has 96 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 24800256.

The previous prime is 64754719. The next prime is 64754743. The reversal of 64754720 is 2745746.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594026 + ... + 594134.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^64754720 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 64754720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79833600).

64754720 is an abundant number, since it is smaller than the sum of its proper divisors (94912480).

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

64754720 is a wasteful number, since it uses less digits than its factorization.

64754720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 64754720 is about 8047.0317509005. The cubic root of 64754720 is about 401.5661929288.

The spelling of 64754720 in words is "sixty-four million, seven hundred fifty-four thousand, seven hundred twenty".