64027693 has 2 divisors, whose sum is σ = 64027694. Its totient is φ = 64027692.

The previous prime is 64027687. The next prime is 64027697. The reversal of 64027693 is 39672046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58951684 + 5076009 = 7678^2 + 2253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64027693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64027697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32013846 + 32013847.

It is an arithmetic number, because the mean of its divisors is an integer number (32013847).

Almost surely, 2^64027693 is an apocalyptic number.

It is an amenable number.

64027693 is a deficient number, since it is larger than the sum of its proper divisors (1).

64027693 is an equidigital number, since it uses as much as digits as its factorization.

64027693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 64027693 is about 8001.7306253085. The cubic root of 64027693 is about 400.0576854306.

The spelling of 64027693 in words is "sixty-four million, twenty-seven thousand, six hundred ninety-three".