70873225 has 12 divisors (see below), whose sum is σ = 88017804. Its totient is φ = 56611520.

The previous prime is 70873207. The next prime is 70873247. The reversal of 70873225 is 52237807.

It can be written as a sum of positive squares in 6 ways, for example, as 8952064 + 61921161 = 2992^2 + 7869^2 .

It is not a de Polignac number, because 70873225 - 2¹⁷ = 70742153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18147 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (7334817).

Almost surely, 2^70873225 is an apocalyptic number.

It is an amenable number.

70873225 is a deficient number, since it is larger than the sum of its proper divisors (17144579).

70873225 is a wasteful number, since it uses less digits than its factorization.

70873225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70873225 is about 8418.6236998692. The cubic root of 70873225 is about 413.8351716908.

The spelling of 70873225 in words is "seventy million, eight hundred seventy-three thousand, two hundred twenty-five".