64500696 has 96 divisors (see below), whose sum is σ = 189876960. Its totient is φ = 19662336.

The previous prime is 64500673. The next prime is 64500697. The reversal of 64500696 is 69600546.

It is a happy number.

64500696 is a `hidden beast` number, since 64 + 500 + 6 + 96 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64500696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64500697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127981 + ... + 128483.

It is an arithmetic number, because the mean of its divisors is an integer number (1977885).

Almost surely, 2^64500696 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 64500696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94938480).

64500696 is an abundant number, since it is smaller than the sum of its proper divisors (125376264).

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

64500696 is a wasteful number, since it uses less digits than its factorization.

64500696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 64500696 is about 8031.2325330549. The cubic root of 64500696 is about 401.0404081974.

The spelling of 64500696 in words is "sixty-four million, five hundred thousand, six hundred ninety-six".