64616836 has 12 divisors (see below), whose sum is σ = 113168412. Its totient is φ = 32283008.

The previous prime is 64616833. The next prime is 64616857. The reversal of 64616836 is 63861646.

It can be written as a sum of positive squares in 2 ways, for example, as 35521600 + 29095236 = 5960^2 + 5394^2 .

It is not an unprimeable number, because it can be changed into a prime (64616833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (9430701).

Almost surely, 2^64616836 is an apocalyptic number.

It is an amenable number.

64616836 is a deficient number, since it is larger than the sum of its proper divisors (48551576).

64616836 is a wasteful number, since it uses less digits than its factorization.

64616836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710 (or 12708 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 64616836 is about 8038.4598027234. The cubic root of 64616836 is about 401.2809684208.

The spelling of 64616836 in words is "sixty-four million, six hundred sixteen thousand, eight hundred thirty-six".