64767323 has 2 divisors, whose sum is σ = 64767324. Its totient is φ = 64767322.

The previous prime is 64767253. The next prime is 64767337. The reversal of 64767323 is 32376746.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64767323 - 2¹⁶ = 64701787 is a prime.

It is a super-2 number, since 2×64767323² = 8389612257172658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64767223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32383661 + 32383662.

It is an arithmetic number, because the mean of its divisors is an integer number (32383662).

Almost surely, 2^64767323 is an apocalyptic number.

64767323 is a deficient number, since it is larger than the sum of its proper divisors (1).

64767323 is an equidigital number, since it uses as much as digits as its factorization.

64767323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 38.

The square root of 64767323 is about 8047.8147965768. The cubic root of 64767323 is about 401.5922430785.

The spelling of 64767323 in words is "sixty-four million, seven hundred sixty-seven thousand, three hundred twenty-three".