64755860 has 48 divisors (see below), whose sum is σ = 147159936. Its totient is φ = 23793792.

The previous prime is 64755797. The next prime is 64755871. The reversal of 64755860 is 6855746.

It is a congruent number.

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, 67907 + ... + 68853.

It is an arithmetic number, because the mean of its divisors is an integer number (3065832).

Almost surely, 2^64755860 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 64755860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73579968).

64755860 is an abundant number, since it is smaller than the sum of its proper divisors (82404076).

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

64755860 is a wasteful number, since it uses less digits than its factorization.

64755860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 64755860 is about 8047.1025841603. The cubic root of 64755860 is about 401.5685494251.

The spelling of 64755860 in words is "sixty-four million, seven hundred fifty-five thousand, eight hundred sixty".