70071187020 has 48 divisors (see below), whose sum is σ = 196236649728. Its totient is φ = 18682095040.

The previous prime is 70071187019. The next prime is 70071187031. The reversal of 70071187020 is 2078117007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214825 + ... + 431615.

It is an arithmetic number, because the mean of its divisors is an integer number (4088263536).

Almost surely, 2^70071187020 is an apocalyptic number.

It is an amenable number.

70071187020 is an abundant number, since it is smaller than the sum of its proper divisors (126165462708).

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

70071187020 is a wasteful number, since it uses less digits than its factorization.

70071187020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222190 (or 222188 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 33.

The spelling of 70071187020 in words is "seventy billion, seventy-one million, one hundred eighty-seven thousand, twenty".