70703734038 has 128 divisors (see below), whose sum is σ = 167326580736. Its totient is φ = 19498195200.

The previous prime is 70703734037. The next prime is 70703734061. The reversal of 70703734038 is 83043730707.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70703734033) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 74660281 + ... + 74661227.

It is an arithmetic number, because the mean of its divisors is an integer number (1307238912).

Almost surely, 2^70703734038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70703734038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83663290368).

70703734038 is an abundant number, since it is smaller than the sum of its proper divisors (96622846698).

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

70703734038 is a wasteful number, since it uses less digits than its factorization.

70703734038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its (nonzero) digits is 296352, while the sum is 42.

The spelling of 70703734038 in words is "seventy billion, seven hundred three million, seven hundred thirty-four thousand, thirty-eight".