64266875 has 30 divisors (see below), whose sum is σ = 83757564. Its totient is φ = 49290000.

The previous prime is 64266863. The next prime is 64266883. The reversal of 64266875 is 57866246.

It is not a de Polignac number, because 64266875 - 2⁴ = 64266859 is a prime.

It is a Duffinian number.

Its product of digits (483840) is a multiple of the sum of its prime factors (189).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 600572 + ... + 600678.

Almost surely, 2^64266875 is an apocalyptic number.

64266875 is a deficient number, since it is larger than the sum of its proper divisors (19490689).

64266875 is an equidigital number, since it uses as much as digits as its factorization.

64266875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 143 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 64266875 is about 8016.6623354112. The cubic root of 64266875 is about 400.5552185576. Note that the first 3 decimals are identical.

The spelling of 64266875 in words is "sixty-four million, two hundred sixty-six thousand, eight hundred seventy-five".