70342840344 has 128 divisors (see below), whose sum is σ = 206401789440. Its totient is φ = 19559135232.

The previous prime is 70342840343. The next prime is 70342840409. The reversal of 70342840344 is 44304824307.

It is a super-2 number, since 2×70342840344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70342840343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983472 + ... + 2018624.

It is an arithmetic number, because the mean of its divisors is an integer number (1612513980).

Almost surely, 2^70342840344 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 70342840344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103200894720).

70342840344 is an abundant number, since it is smaller than the sum of its proper divisors (136058949096).

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

70342840344 is a wasteful number, since it uses less digits than its factorization.

70342840344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35489 (or 35485 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 70342840344 in words is "seventy billion, three hundred forty-two million, eight hundred forty thousand, three hundred forty-four".