72395320043 has 2 divisors, whose sum is σ = 72395320044. Its totient is φ = 72395320042.

The previous prime is 72395320021. The next prime is 72395320163. The reversal of 72395320043 is 34002359327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72395320043 - 2³⁶ = 3675843307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72395319979 and 72395320006.

It is not a weakly prime, because it can be changed into another prime (72395329043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36197660021 + 36197660022.

It is an arithmetic number, because the mean of its divisors is an integer number (36197660022).

Almost surely, 2^72395320043 is an apocalyptic number.

72395320043 is a deficient number, since it is larger than the sum of its proper divisors (1).

72395320043 is an equidigital number, since it uses as much as digits as its factorization.

72395320043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 72395320043 in words is "seventy-two billion, three hundred ninety-five million, three hundred twenty thousand, forty-three".