64067071 has 2 divisors, whose sum is σ = 64067072. Its totient is φ = 64067070.

The previous prime is 64067041. The next prime is 64067077. The reversal of 64067071 is 17076046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64067071 - 2¹³ = 64058879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64067077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033535 + 32033536.

It is an arithmetic number, because the mean of its divisors is an integer number (32033536).

Almost surely, 2^64067071 is an apocalyptic number.

64067071 is a deficient number, since it is larger than the sum of its proper divisors (1).

64067071 is an equidigital number, since it uses as much as digits as its factorization.

64067071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 64067071 is about 8004.1908398039. The cubic root of 64067071 is about 400.1396824663.

Subtracting from 64067071 its reverse (17076046), we obtain a square (46991025 = 6855²).

The spelling of 64067071 in words is "sixty-four million, sixty-seven thousand, seventy-one".