64260073 has 2 divisors, whose sum is σ = 64260074. Its totient is φ = 64260072.

The previous prime is 64260037. The next prime is 64260107. The reversal of 64260073 is 37006246.

Together with previous prime (64260037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57274624 + 6985449 = 7568^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 64260073 - 2¹³ = 64251881 is a prime.

It is not a weakly prime, because it can be changed into another prime (64260373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32130036 + 32130037.

It is an arithmetic number, because the mean of its divisors is an integer number (32130037).

Almost surely, 2^64260073 is an apocalyptic number.

It is an amenable number.

64260073 is a deficient number, since it is larger than the sum of its proper divisors (1).

64260073 is an equidigital number, since it uses as much as digits as its factorization.

64260073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 64260073 is about 8016.2380827917. The cubic root of 64260073 is about 400.5410864835.

The spelling of 64260073 in words is "sixty-four million, two hundred sixty thousand, seventy-three".