70873436 has 12 divisors (see below), whose sum is σ = 124105800. Its totient is φ = 35414640.

The previous prime is 70873433. The next prime is 70873441. The reversal of 70873436 is 63437807.

It is a self number, because there is not a number n which added to its sum of digits gives 70873436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70873433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3251 + ... + 12341.

It is an arithmetic number, because the mean of its divisors is an integer number (10342150).

Almost surely, 2^70873436 is an apocalyptic number.

It is an amenable number.

70873436 is a deficient number, since it is larger than the sum of its proper divisors (53232364).

70873436 is a wasteful number, since it uses less digits than its factorization.

70873436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044 (or 11042 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 70873436 is about 8418.6362315995. The cubic root of 70873436 is about 413.8355823731.

The spelling of 70873436 in words is "seventy million, eight hundred seventy-three thousand, four hundred thirty-six".