56070073 has 2 divisors, whose sum is σ = 56070074. Its totient is φ = 56070072.

The previous prime is 56070037. The next prime is 56070101. The reversal of 56070073 is 37007065.

Together with previous prime (56070037) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (56070101) can be obtained adding 56070073 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28643904 + 27426169 = 5352^2 + 5237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56070073 is a prime.

It is not a weakly prime, because it can be changed into another prime (56076073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035036 + 28035037.

It is an arithmetic number, because the mean of its divisors is an integer number (28035037).

Almost surely, 2^56070073 is an apocalyptic number.

It is an amenable number.

56070073 is a deficient number, since it is larger than the sum of its proper divisors (1).

56070073 is an equidigital number, since it uses as much as digits as its factorization.

56070073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 56070073 is about 7487.9952590797. The cubic root of 56070073 is about 382.7457472156.

The spelling of 56070073 in words is "fifty-six million, seventy thousand, seventy-three".