64529064 has 48 divisors (see below), whose sum is σ = 175593600. Its totient is φ = 21407904.

The previous prime is 64529057. The next prime is 64529071. The reversal of 64529064 is 46092546.

64529064 is a `hidden beast` number, since 645 + 2 + 9 + 0 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (64529057) and next prime (64529071).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14047 + ... + 18065.

It is an arithmetic number, because the mean of its divisors is an integer number (3658200).

Almost surely, 2^64529064 is an apocalyptic number.

It is an amenable number.

64529064 is an abundant number, since it is smaller than the sum of its proper divisors (111064536).

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

64529064 is a wasteful number, since it uses less digits than its factorization.

64529064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 64529064 is about 8032.9984439187. The cubic root of 64529064 is about 401.0991933349.

The spelling of 64529064 in words is "sixty-four million, five hundred twenty-nine thousand, sixty-four".