64802066 has 32 divisors (see below), whose sum is σ = 115655040. Its totient is φ = 26643456.

The previous prime is 64802053. The next prime is 64802071. The reversal of 64802066 is 66020846.

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, 77945 + ... + 78771.

It is an arithmetic number, because the mean of its divisors is an integer number (3614220).

Almost surely, 2^64802066 is an apocalyptic number.

64802066 is a deficient number, since it is larger than the sum of its proper divisors (50852974).

64802066 is a wasteful number, since it uses less digits than its factorization.

64802066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 64802066 is about 8049.9730434331. The cubic root of 64802066 is about 401.6640386721.

The spelling of 64802066 in words is "sixty-four million, eight hundred two thousand, sixty-six".