64570002 has 32 divisors (see below), whose sum is σ = 147841152. Its totient is φ = 18417024.

The previous prime is 64569997. The next prime is 64570019. The reversal of 64570002 is 20007546.

It is a happy 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, 35958 + ... + 37710.

It is an arithmetic number, because the mean of its divisors is an integer number (4620036).

Almost surely, 2^64570002 is an apocalyptic number.

64570002 is an abundant number, since it is smaller than the sum of its proper divisors (83271150).

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

64570002 is a wasteful number, since it uses less digits than its factorization.

64570002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 64570002 is about 8035.5461544316. The cubic root of 64570002 is about 401.1839960919.

Adding to 64570002 its reverse (20007546), we get a palindrome (84577548).

The spelling of 64570002 in words is "sixty-four million, five hundred seventy thousand, two".