64753493 has 16 divisors (see below), whose sum is σ = 78693120. Its totient is φ = 52014336.

The previous prime is 64753489. The next prime is 64753499. The reversal of 64753493 is 39435746.

It is a cyclic number.

It is not a de Polignac number, because 64753493 - 2² = 64753489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64753493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64753499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30263 + ... + 32331.

It is an arithmetic number, because the mean of its divisors is an integer number (4918320).

Almost surely, 2^64753493 is an apocalyptic number.

It is an amenable number.

64753493 is a deficient number, since it is larger than the sum of its proper divisors (13939627).

64753493 is a wasteful number, since it uses less digits than its factorization.

64753493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356.

The product of its digits is 272160, while the sum is 41.

The square root of 64753493 is about 8046.9555112477. The cubic root of 64753493 is about 401.5636565638.

The spelling of 64753493 in words is "sixty-four million, seven hundred fifty-three thousand, four hundred ninety-three".