70483990820 has 48 divisors (see below), whose sum is σ = 154686913920. Its totient is φ = 26926749696.

The previous prime is 70483990757. The next prime is 70483990823. The reversal of 70483990820 is 2809938407.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (70483990823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186884 + ... + 419396.

It is an arithmetic number, because the mean of its divisors is an integer number (3222644040).

Almost surely, 2^70483990820 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 70483990820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77343456960).

70483990820 is an abundant number, since it is smaller than the sum of its proper divisors (84202923100).

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

70483990820 is a wasteful number, since it uses less digits than its factorization.

70483990820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233204 (or 233202 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 70483990820 in words is "seventy billion, four hundred eighty-three million, nine hundred ninety thousand, eight hundred twenty".