64013336 has 8 divisors (see below), whose sum is σ = 120025020. Its totient is φ = 32006664.

The previous prime is 64013329. The next prime is 64013351. The reversal of 64013336 is 63331046.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000826 + ... + 4000841.

Almost surely, 2^64013336 is an apocalyptic number.

It is an amenable number.

64013336 is a deficient number, since it is larger than the sum of its proper divisors (56011684).

64013336 is a wasteful number, since it uses less digits than its factorization.

64013336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001673 (or 8001669 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 64013336 is about 8000.8334565844. The cubic root of 64013336 is about 400.0277814038.

The spelling of 64013336 in words is "sixty-four million, thirteen thousand, three hundred thirty-six".