43072973715 has 16 divisors (see below), whose sum is σ = 71139879936. Its totient is φ = 22231212000.

The previous prime is 43072973711. The next prime is 43072973719. The reversal of 43072973715 is 51737927034.

43072973715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43072973711) and next prime (43072973719).

It is not a de Polignac number, because 43072973715 - 2² = 43072973711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43072973711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46314561 + ... + 46315490.

It is an arithmetic number, because the mean of its divisors is an integer number (4446242496).

Almost surely, 2^43072973715 is an apocalyptic number.

43072973715 is a deficient number, since it is larger than the sum of its proper divisors (28066906221).

43072973715 is a wasteful number, since it uses less digits than its factorization.

43072973715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92630090.

The product of its (nonzero) digits is 1111320, while the sum is 48.

The spelling of 43072973715 in words is "forty-three billion, seventy-two million, nine hundred seventy-three thousand, seven hundred fifteen".