70833229 has 2 divisors, whose sum is σ = 70833230. Its totient is φ = 70833228.

The previous prime is 70833227. The next prime is 70833253. The reversal of 70833229 is 92233807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 25270729 = 6750^2 + 5027^2 .

It is an emirp because it is prime and its reverse (92233807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70833229 - 2¹ = 70833227 is a prime.

Together with 70833227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 70833194 and 70833203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70833227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35416614 + 35416615.

It is an arithmetic number, because the mean of its divisors is an integer number (35416615).

Almost surely, 2^70833229 is an apocalyptic number.

It is an amenable number.

70833229 is a deficient number, since it is larger than the sum of its proper divisors (1).

70833229 is an equidigital number, since it uses as much as digits as its factorization.

70833229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70833229 is about 8416.2479169758. The cubic root of 70833229 is about 413.7573102885.

The spelling of 70833229 in words is "seventy million, eight hundred thirty-three thousand, two hundred twenty-nine".