70681420215 has 24 divisors (see below), whose sum is σ = 140016528288. Its totient is φ = 32311506240.

The previous prime is 70681420213. The next prime is 70681420241. The reversal of 70681420215 is 51202418607.

It is not a de Polignac number, because 70681420215 - 2¹ = 70681420213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70681420215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70681420211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112192416 + ... + 112193045.

It is an arithmetic number, because the mean of its divisors is an integer number (5834022012).

Almost surely, 2^70681420215 is an apocalyptic number.

70681420215 is a deficient number, since it is larger than the sum of its proper divisors (69335108073).

70681420215 is a wasteful number, since it uses less digits than its factorization.

70681420215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224385479 (or 224385476 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 70681420215 in words is "seventy billion, six hundred eighty-one million, four hundred twenty thousand, two hundred fifteen".