64754560 has 128 divisors (see below), whose sum is σ = 171531360. Its totient is φ = 23224320.

The previous prime is 64754533. The next prime is 64754561. The reversal of 64754560 is 6545746.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64754561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357670 + ... + 357850.

Almost surely, 2^64754560 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 64754560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85765680).

64754560 is an abundant number, since it is smaller than the sum of its proper divisors (106776800).

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

64754560 is a wasteful number, since it uses less digits than its factorization.

64754560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 64754560 is about 8047.0218093404. The cubic root of 64754560 is about 401.5658621903.

The spelling of 64754560 in words is "sixty-four million, seven hundred fifty-four thousand, five hundred sixty".