70842931840 has 64 divisors (see below), whose sum is σ = 178272540000. Its totient is φ = 26845737984.

The previous prime is 70842931829. The next prime is 70842931843. The reversal of 70842931840 is 4813924807.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (70842931843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900790 + ... + 2925109.

Almost surely, 2^70842931840 is an apocalyptic number.

It is an amenable number.

70842931840 is an abundant number, since it is smaller than the sum of its proper divisors (107429608160).

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

70842931840 is a wasteful number, since it uses less digits than its factorization.

70842931840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825937 (or 5825925 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 70842931840 in words is "seventy billion, eight hundred forty-two million, nine hundred thirty-one thousand, eight hundred forty".