64027697 has 2 divisors, whose sum is σ = 64027698. Its totient is φ = 64027696.

The previous prime is 64027693. The next prime is 64027703. The reversal of 64027697 is 79672046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47389456 + 16638241 = 6884^2 + 4079^2 .

It is a cyclic number.

It is not a de Polignac number, because 64027697 - 2² = 64027693 is a prime.

It is not a weakly prime, because it can be changed into another prime (64027693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32013848 + 32013849.

It is an arithmetic number, because the mean of its divisors is an integer number (32013849).

Almost surely, 2^64027697 is an apocalyptic number.

It is an amenable number.

64027697 is a deficient number, since it is larger than the sum of its proper divisors (1).

64027697 is an equidigital number, since it uses as much as digits as its factorization.

64027697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 64027697 is about 8001.7308752544. The cubic root of 64027697 is about 400.0576937615.

The spelling of 64027697 in words is "sixty-four million, twenty-seven thousand, six hundred ninety-seven".