70250920872 has 256 divisors, whose sum is σ = 212564736000. Its totient is φ = 19096704000.

The previous prime is 70250920867. The next prime is 70250920933. The reversal of 70250920872 is 27802905207.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11649154 + ... + 11655182.

It is an arithmetic number, because the mean of its divisors is an integer number (830331000).

Almost surely, 2^70250920872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70250920872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106282368000).

70250920872 is an abundant number, since it is smaller than the sum of its proper divisors (142313815128).

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

70250920872 is a wasteful number, since it uses less digits than its factorization.

70250920872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192 (or 6188 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 70250920872 in words is "seventy billion, two hundred fifty million, nine hundred twenty thousand, eight hundred seventy-two".