64334475 has 72 divisors (see below), whose sum is σ = 123318000. Its totient is φ = 31968000.

The previous prime is 64334467. The next prime is 64334489. The reversal of 64334475 is 57443346.

It is a happy number.

64334475 is a `hidden beast` number, since 643 + 3 + 4 + 4 + 7 + 5 = 666.

It is not a de Polignac number, because 64334475 - 2³ = 64334467 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 431701 + ... + 431849.

It is an arithmetic number, because the mean of its divisors is an integer number (1712750).

Almost surely, 2^64334475 is an apocalyptic number.

64334475 is a deficient number, since it is larger than the sum of its proper divisors (58983525).

64334475 is a wasteful number, since it uses less digits than its factorization.

64334475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 277 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 64334475 is about 8020.8774457661. The cubic root of 64334475 is about 400.6956125235.

The spelling of 64334475 in words is "sixty-four million, three hundred thirty-four thousand, four hundred seventy-five".