64336946 has 4 divisors (see below), whose sum is σ = 96505422. Its totient is φ = 32168472.

The previous prime is 64336939. The next prime is 64336967. The reversal of 64336946 is 64963346.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64240225 + 96721 = 8015^2 + 311^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16084235 + ... + 16084238.

Almost surely, 2^64336946 is an apocalyptic number.

64336946 is a deficient number, since it is larger than the sum of its proper divisors (32168476).

64336946 is a wasteful number, since it uses less digits than its factorization.

64336946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32168475.

The product of its digits is 279936, while the sum is 41.

The square root of 64336946 is about 8021.0314798036. The cubic root of 64336946 is about 400.7007425163.

The spelling of 64336946 in words is "sixty-four million, three hundred thirty-six thousand, nine hundred forty-six".