70743831444 has 108 divisors (see below), whose sum is σ = 211679485108. Its totient is φ = 19788468480.

The previous prime is 70743831439. The next prime is 70743831527. The reversal of 70743831444 is 44413834707.

70743831444 is a `hidden beast` number, since 70 + 7 + 438 + 3 + 144 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39992000400 + 30751831044 = 199980^2 + 175362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70743831444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 568009 + ... + 681264.

Almost surely, 2^70743831444 is an apocalyptic number.

It is an amenable number.

70743831444 is an abundant number, since it is smaller than the sum of its proper divisors (140935653664).

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

70743831444 is a wasteful number, since it uses less digits than its factorization.

70743831444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249318 (or 1249302 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 70743831444 in words is "seventy billion, seven hundred forty-three million, eight hundred thirty-one thousand, four hundred forty-four".