70220743500 has 96 divisors (see below), whose sum is σ = 204675674112. Its totient is φ = 18707870400.

The previous prime is 70220743477. The next prime is 70220743513. The reversal of 70220743500 is 534702207.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1608967 + ... + 1652033.

It is an arithmetic number, because the mean of its divisors is an integer number (2132038272).

Almost surely, 2^70220743500 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 70220743500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102337837056).

70220743500 is an abundant number, since it is smaller than the sum of its proper divisors (134454930612).

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

70220743500 is a wasteful number, since it uses less digits than its factorization.

70220743500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44176 (or 44164 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The spelling of 70220743500 in words is "seventy billion, two hundred twenty million, seven hundred forty-three thousand, five hundred".