70720722908 has 24 divisors (see below), whose sum is σ = 142954190064. Its totient is φ = 30254854400.

The previous prime is 70720722907. The next prime is 70720722911. The reversal of 70720722908 is 80922702707.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70720722901) 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 7 ways as a sum of consecutive naturals, for example, 47272463 + ... + 47273958.

It is an arithmetic number, because the mean of its divisors is an integer number (5956424586).

Almost surely, 2^70720722908 is an apocalyptic number.

It is an amenable number.

70720722908 is an abundant number, since it is smaller than the sum of its proper divisors (72233467156).

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

70720722908 is a wasteful number, since it uses less digits than its factorization.

70720722908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94546453 (or 94546451 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 70720722908 in words is "seventy billion, seven hundred twenty million, seven hundred twenty-two thousand, nine hundred eight".