64812067 has 2 divisors, whose sum is σ = 64812068. Its totient is φ = 64812066.

The previous prime is 64812023. The next prime is 64812079. The reversal of 64812067 is 76021846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64812067 - 2¹¹ = 64810019 is a prime.

It is not a weakly prime, because it can be changed into another prime (64818067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32406033 + 32406034.

It is an arithmetic number, because the mean of its divisors is an integer number (32406034).

Almost surely, 2^64812067 is an apocalyptic number.

64812067 is a deficient number, since it is larger than the sum of its proper divisors (1).

64812067 is an equidigital number, since it uses as much as digits as its factorization.

64812067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 64812067 is about 8050.5942016723. The cubic root of 64812067 is about 401.6847007469.

The spelling of 64812067 in words is "sixty-four million, eight hundred twelve thousand, sixty-seven".