70075219 has 2 divisors, whose sum is σ = 70075220. Its totient is φ = 70075218.

The previous prime is 70075217. The next prime is 70075253. The reversal of 70075219 is 91257007.

It is a weak prime.

It is an emirp because it is prime and its reverse (91257007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70075219 - 2¹ = 70075217 is a prime.

It is a super-2 number, since 2×70075219² = 9821072635795922, which contains 22 as substring.

Together with 70075217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (70075217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35037609 + 35037610.

It is an arithmetic number, because the mean of its divisors is an integer number (35037610).

Almost surely, 2^70075219 is an apocalyptic number.

70075219 is a deficient number, since it is larger than the sum of its proper divisors (1).

70075219 is an equidigital number, since it uses as much as digits as its factorization.

70075219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 70075219 is about 8371.0942534414. The cubic root of 70075219 is about 412.2760956894.

The spelling of 70075219 in words is "seventy million, seventy-five thousand, two hundred nineteen".