64354975 has 24 divisors (see below), whose sum is σ = 81758160. Its totient is φ = 50238720.

The previous prime is 64354933. The next prime is 64354981. The reversal of 64354975 is 57945346.

It is not a de Polignac number, because 64354975 - 2⁷ = 64354847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326577 + ... + 326773.

It is an arithmetic number, because the mean of its divisors is an integer number (3406590).

Almost surely, 2^64354975 is an apocalyptic number.

64354975 is a deficient number, since it is larger than the sum of its proper divisors (17403185).

64354975 is a wasteful number, since it uses less digits than its factorization.

64354975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 454 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 64354975 is about 8022.1552590311. The cubic root of 64354975 is about 400.7381681814.

The spelling of 64354975 in words is "sixty-four million, three hundred fifty-four thousand, nine hundred seventy-five".