64344356 has 6 divisors (see below), whose sum is σ = 112602630. Its totient is φ = 32172176.

The previous prime is 64344341. The next prime is 64344361. The reversal of 64344356 is 65344346.

64344356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57760000 + 6584356 = 7600^2 + 2566^2 .

It is a super-2 number, since 2×64344356² = 8280392298109472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8043041 + ... + 8043048.

It is an arithmetic number, because the mean of its divisors is an integer number (18767105).

Almost surely, 2^64344356 is an apocalyptic number.

It is an amenable number.

64344356 is a deficient number, since it is larger than the sum of its proper divisors (48258274).

64344356 is a wasteful number, since it uses less digits than its factorization.

64344356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086093 (or 16086091 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 64344356 is about 8021.4933771711. The cubic root of 64344356 is about 400.7161254790.

The spelling of 64344356 in words is "sixty-four million, three hundred forty-four thousand, three hundred fifty-six".