64266243 has 8 divisors (see below), whose sum is σ = 85725888. Its totient is φ = 42825384.

The previous prime is 64266221. The next prime is 64266259. The reversal of 64266243 is 34266246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64266243 - 2⁹ = 64265731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64266203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (10715736).

Almost surely, 2^64266243 is an apocalyptic number.

64266243 is a deficient number, since it is larger than the sum of its proper divisors (21459645).

64266243 is a wasteful number, since it uses less digits than its factorization.

64266243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393.

The product of its digits is 41472, while the sum is 33.

The square root of 64266243 is about 8016.6229174135. The cubic root of 64266243 is about 400.5539055343.

The spelling of 64266243 in words is "sixty-four million, two hundred sixty-six thousand, two hundred forty-three".