64743268 has 6 divisors (see below), whose sum is σ = 113300726. Its totient is φ = 32371632.

The previous prime is 64743247. The next prime is 64743271. The reversal of 64743268 is 86234746.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40220964 + 24522304 = 6342^2 + 4952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64743268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8092905 + ... + 8092912.

Almost surely, 2^64743268 is an apocalyptic number.

It is an amenable number.

64743268 is a deficient number, since it is larger than the sum of its proper divisors (48557458).

64743268 is a wasteful number, since it uses less digits than its factorization.

64743268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185821 (or 16185819 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 64743268 is about 8046.3201527158. The cubic root of 64743268 is about 401.5425189420.

The spelling of 64743268 in words is "sixty-four million, seven hundred forty-three thousand, two hundred sixty-eight".