64105002 has 96 divisors (see below), whose sum is σ = 160288128. Its totient is φ = 18361728.

The previous prime is 64105001. The next prime is 64105007. The reversal of 64105002 is 20050146.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (64105001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231288 + ... + 231564.

It is an arithmetic number, because the mean of its divisors is an integer number (1669668).

Almost surely, 2^64105002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64105002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80144064).

64105002 is an abundant number, since it is smaller than the sum of its proper divisors (96183126).

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

64105002 is a wasteful number, since it uses less digits than its factorization.

64105002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 64105002 is about 8006.5599354529. The cubic root of 64105002 is about 400.2186346421.

Adding to 64105002 its reverse (20050146), we get a palindrome (84155148).

The spelling of 64105002 in words is "sixty-four million, one hundred five thousand, two".