43070072076 has 18 divisors (see below), whose sum is σ = 108871571172. Its totient is φ = 14356690680.

The previous prime is 43070072047. The next prime is 43070072093. The reversal of 43070072076 is 67027007034.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×43070072076² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1196390891 = 43070072076 / (4 + 3 + 0 + 7 + 0 + 0 + 7 + 2 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 43070072076.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 598195410 + ... + 598195481.

Almost surely, 2^43070072076 is an apocalyptic number.

It is an amenable number.

43070072076 is an abundant number, since it is smaller than the sum of its proper divisors (65801499096).

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

43070072076 is a wasteful number, since it uses less digits than its factorization.

43070072076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196390901 (or 1196390896 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The spelling of 43070072076 in words is "forty-three billion, seventy million, seventy-two thousand, seventy-six".