72283070789 has 4 divisors (see below), whose sum is σ = 72439867500. Its totient is φ = 72126274080.

The previous prime is 72283070773. The next prime is 72283070803. The reversal of 72283070789 is 98707038227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40584117025 + 31698953764 = 201455^2 + 178042^2 .

It is a cyclic number.

It is not a de Polignac number, because 72283070789 - 2⁴ = 72283070773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72283070789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72283070089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78397664 + ... + 78398585.

It is an arithmetic number, because the mean of its divisors is an integer number (18109966875).

Almost surely, 2^72283070789 is an apocalyptic number.

It is an amenable number.

72283070789 is a deficient number, since it is larger than the sum of its proper divisors (156796711).

72283070789 is a wasteful number, since it uses less digits than its factorization.

72283070789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156796710.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 72283070789 in words is "seventy-two billion, two hundred eighty-three million, seventy thousand, seven hundred eighty-nine".