70076581 has 2 divisors, whose sum is σ = 70076582. Its totient is φ = 70076580.

The previous prime is 70076551. The next prime is 70076593. The reversal of 70076581 is 18567007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55130625 + 14945956 = 7425^2 + 3866^2 .

It is a cyclic number.

It is not a de Polignac number, because 70076581 - 2¹³ = 70068389 is a prime.

It is a super-2 number, since 2×70076581² = 9821454409299122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70076551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35038290 + 35038291.

It is an arithmetic number, because the mean of its divisors is an integer number (35038291).

Almost surely, 2^70076581 is an apocalyptic number.

It is an amenable number.

70076581 is a deficient number, since it is larger than the sum of its proper divisors (1).

70076581 is an equidigital number, since it uses as much as digits as its factorization.

70076581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 70076581 is about 8371.1756044178. The cubic root of 70076581 is about 412.2787667069.

The spelling of 70076581 in words is "seventy million, seventy-six thousand, five hundred eighty-one".