70873210 has 16 divisors (see below), whose sum is σ = 128133000. Its totient is φ = 28224576.

The previous prime is 70873207. The next prime is 70873247. The reversal of 70873210 is 1237807.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70341769 + 531441 = 8387^2 + 729^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13185 + ... + 17764.

Almost surely, 2^70873210 is an apocalyptic number.

70873210 is a deficient number, since it is larger than the sum of its proper divisors (57259790).

70873210 is a wasteful number, since it uses less digits than its factorization.

70873210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31185.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 70873210 is about 8418.6228089872. The cubic root of 70873210 is about 413.8351424954.

The spelling of 70873210 in words is "seventy million, eight hundred seventy-three thousand, two hundred ten".