70261273 has 2 divisors, whose sum is σ = 70261274. Its totient is φ = 70261272.

The previous prime is 70261237. The next prime is 70261337. The reversal of 70261273 is 37216207.

Together with previous prime (70261237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53187849 + 17073424 = 7293^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 70261273 - 2¹³ = 70253081 is a prime.

It is not a weakly prime, because it can be changed into another prime (70561273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35130636 + 35130637.

It is an arithmetic number, because the mean of its divisors is an integer number (35130637).

Almost surely, 2^70261273 is an apocalyptic number.

It is an amenable number.

70261273 is a deficient number, since it is larger than the sum of its proper divisors (1).

70261273 is an equidigital number, since it uses as much as digits as its factorization.

70261273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 70261273 is about 8382.1997709432. The cubic root of 70261273 is about 412.6406460099.

The spelling of 70261273 in words is "seventy million, two hundred sixty-one thousand, two hundred seventy-three".