70834219 has 4 divisors (see below), whose sum is σ = 71258544. Its totient is φ = 70409896.

The previous prime is 70834213. The next prime is 70834259. The reversal of 70834219 is 91243807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70834219 - 2⁵ = 70834187 is a prime.

It is a super-2 number, since 2×70834219² = 10034973162679922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70834213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211912 + ... + 212245.

It is an arithmetic number, because the mean of its divisors is an integer number (17814636).

Almost surely, 2^70834219 is an apocalyptic number.

70834219 is a deficient number, since it is larger than the sum of its proper divisors (424325).

70834219 is a wasteful number, since it uses less digits than its factorization.

70834219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424324.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 70834219 is about 8416.3067315777. The cubic root of 70834219 is about 413.7592379046.

The spelling of 70834219 in words is "seventy million, eight hundred thirty-four thousand, two hundred nineteen".