72230080073 has 4 divisors (see below), whose sum is σ = 74560082688. Its totient is φ = 69900077460.

The previous prime is 72230080057. The next prime is 72230080079. The reversal of 72230080073 is 37008003227.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72230080073 - 2⁴ = 72230080057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72230080079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165001261 + ... + 1165001322.

It is an arithmetic number, because the mean of its divisors is an integer number (18640020672).

Almost surely, 2^72230080073 is an apocalyptic number.

It is an amenable number.

72230080073 is a deficient number, since it is larger than the sum of its proper divisors (2330002615).

72230080073 is a wasteful number, since it uses less digits than its factorization.

72230080073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330002614.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 72230080073 in words is "seventy-two billion, two hundred thirty million, eighty thousand, seventy-three".