64436327 has 2 divisors, whose sum is σ = 64436328. Its totient is φ = 64436326.

The previous prime is 64436299. The next prime is 64436377. The reversal of 64436327 is 72363446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64436327 - 2¹² = 64432231 is a prime.

It is a super-3 number, since 3×64436327³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64436377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32218163 + 32218164.

It is an arithmetic number, because the mean of its divisors is an integer number (32218164).

Almost surely, 2^64436327 is an apocalyptic number.

64436327 is a deficient number, since it is larger than the sum of its proper divisors (1).

64436327 is an equidigital number, since it uses as much as digits as its factorization.

64436327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 64436327 is about 8027.2241154711. The cubic root of 64436327 is about 400.9069566034.

The spelling of 64436327 in words is "sixty-four million, four hundred thirty-six thousand, three hundred twenty-seven".