70934909 has 2 divisors, whose sum is σ = 70934910. Its totient is φ = 70934908.

The previous prime is 70934849. The next prime is 70934939. The reversal of 70934909 is 90943907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 19166884 = 7195^2 + 4378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70934909 is a prime.

It is a super-3 number, since 3×70934909³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70934939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35467454 + 35467455.

It is an arithmetic number, because the mean of its divisors is an integer number (35467455).

Almost surely, 2^70934909 is an apocalyptic number.

It is an amenable number.

70934909 is a deficient number, since it is larger than the sum of its proper divisors (1).

70934909 is an equidigital number, since it uses as much as digits as its factorization.

70934909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 70934909 is about 8422.2864472778. The cubic root of 70934909 is about 413.9551963619.

The spelling of 70934909 in words is "seventy million, nine hundred thirty-four thousand, nine hundred nine".