64266371 has 4 divisors (see below), whose sum is σ = 69209952. Its totient is φ = 59322792.

The previous prime is 64266359. The next prime is 64266413. The reversal of 64266371 is 17366246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64266371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64266271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2471771 + ... + 2471796.

It is an arithmetic number, because the mean of its divisors is an integer number (17302488).

Almost surely, 2^64266371 is an apocalyptic number.

64266371 is a deficient number, since it is larger than the sum of its proper divisors (4943581).

64266371 is a wasteful number, since it uses less digits than its factorization.

64266371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943580.

The product of its digits is 36288, while the sum is 35.

The square root of 64266371 is about 8016.6309008211. The cubic root of 64266371 is about 400.5541714637.

The spelling of 64266371 in words is "sixty-four million, two hundred sixty-six thousand, three hundred seventy-one".