64285704 has 256 divisors, whose sum is σ = 224985600. Its totient is φ = 16588800.

The previous prime is 64285703. The next prime is 64285717. The reversal of 64285704 is 40758246.

64285704 is a `hidden beast` number, since 64 + 28 + 570 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64285703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1053834 + ... + 1053894.

It is an arithmetic number, because the mean of its divisors is an integer number (878850).

Almost surely, 2^64285704 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 64285704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112492800).

64285704 is an abundant number, since it is smaller than the sum of its proper divisors (160699896).

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

64285704 is a wasteful number, since it uses less digits than its factorization.

64285704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 64285704 is about 8017.8366159457. The cubic root of 64285704 is about 400.5943331496.

The spelling of 64285704 in words is "sixty-four million, two hundred eighty-five thousand, seven hundred four".