70873089 has 8 divisors (see below), whose sum is σ = 107997120. Its totient is φ = 40498896.

The previous prime is 70873079. The next prime is 70873109. The reversal of 70873089 is 98037807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70873089 - 2⁵ = 70873057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70873089.

It is not an unprimeable number, because it can be changed into a prime (70873079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687434 + ... + 1687475.

It is an arithmetic number, because the mean of its divisors is an integer number (13499640).

Almost surely, 2^70873089 is an apocalyptic number.

It is an amenable number.

70873089 is a deficient number, since it is larger than the sum of its proper divisors (37124031).

70873089 is a wasteful number, since it uses less digits than its factorization.

70873089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374919.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 70873089 is about 8418.6156225356. The cubic root of 70873089 is about 413.8349069852.

The spelling of 70873089 in words is "seventy million, eight hundred seventy-three thousand, eighty-nine".