64433275 has 12 divisors (see below), whose sum is σ = 84103000. Its totient is φ = 48833280.

The previous prime is 64433261. The next prime is 64433321. The reversal of 64433275 is 57233446.

It is not a de Polignac number, because 64433275 - 2¹³ = 64425083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64433275.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67350 + ... + 68299.

Almost surely, 2^64433275 is an apocalyptic number.

64433275 is a deficient number, since it is larger than the sum of its proper divisors (19669725).

64433275 is a wasteful number, since it uses less digits than its factorization.

64433275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135678 (or 135673 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 64433275 is about 8027.0340101435. The cubic root of 64433275 is about 400.9006269060.

The spelling of 64433275 in words is "sixty-four million, four hundred thirty-three thousand, two hundred seventy-five".