64274668 has 6 divisors (see below), whose sum is σ = 112480676. Its totient is φ = 32137332.

The previous prime is 64274657. The next prime is 64274669. The reversal of 64274668 is 86647246.

64274668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64274669) by changing a digit.

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, 8034330 + ... + 8034337.

Almost surely, 2^64274668 is an apocalyptic number.

It is an amenable number.

64274668 is a deficient number, since it is larger than the sum of its proper divisors (48206008).

64274668 is a wasteful number, since it uses less digits than its factorization.

64274668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16068671 (or 16068669 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 64274668 is about 8017.1483708361. The cubic root of 64274668 is about 400.5714083426.

The spelling of 64274668 in words is "sixty-four million, two hundred seventy-four thousand, six hundred sixty-eight".