70439927516 has 24 divisors (see below), whose sum is σ = 149166906336. Its totient is φ = 28412743680.

The previous prime is 70439927483. The next prime is 70439927521. The reversal of 70439927516 is 61572993407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73991045 + ... + 73991996.

It is an arithmetic number, because the mean of its divisors is an integer number (6215287764).

Almost surely, 2^70439927516 is an apocalyptic number.

It is an amenable number.

70439927516 is an abundant number, since it is smaller than the sum of its proper divisors (78726978820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70439927516 is a wasteful number, since it uses less digits than its factorization.

70439927516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147983069 (or 147983067 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 70439927516 in words is "seventy billion, four hundred thirty-nine million, nine hundred twenty-seven thousand, five hundred sixteen".