64954975 has 6 divisors (see below), whose sum is σ = 80544200. Its totient is φ = 51963960.

The previous prime is 64954957. The next prime is 64954979. The reversal of 64954975 is 57945946.

It is a happy number.

It is not a de Polignac number, because 64954975 - 2¹⁹ = 64430687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64954979) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1299075 + ... + 1299124.

Almost surely, 2^64954975 is an apocalyptic number.

64954975 is a deficient number, since it is larger than the sum of its proper divisors (15589225).

64954975 is a wasteful number, since it uses less digits than its factorization.

64954975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598209 (or 2598204 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The square root of 64954975 is about 8059.4649326118. The cubic root of 64954975 is about 401.9797168879.

The spelling of 64954975 in words is "sixty-four million, nine hundred fifty-four thousand, nine hundred seventy-five".