70207273 has 2 divisors, whose sum is σ = 70207274. Its totient is φ = 70207272.

The previous prime is 70207259. The next prime is 70207303. The reversal of 70207273 is 37270207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60171049 + 10036224 = 7757^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 70207273 - 2²¹ = 68110121 is a prime.

It is a super-2 number, since 2×70207273² = 9858122364193058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70207213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35103636 + 35103637.

It is an arithmetic number, because the mean of its divisors is an integer number (35103637).

Almost surely, 2^70207273 is an apocalyptic number.

It is an amenable number.

70207273 is a deficient number, since it is larger than the sum of its proper divisors (1).

70207273 is an equidigital number, since it uses as much as digits as its factorization.

70207273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 70207273 is about 8378.9780403102. The cubic root of 70207273 is about 412.5349058922.

The spelling of 70207273 in words is "seventy million, two hundred seven thousand, two hundred seventy-three".