72283070983 has 4 divisors (see below), whose sum is σ = 76087443160. Its totient is φ = 68478698808.

The previous prime is 72283070963. The next prime is 72283070987. The reversal of 72283070983 is 38907038227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38907038227 = 743 ⋅52364789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72283070983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72283070987) 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, 1902186060 + ... + 1902186097.

It is an arithmetic number, because the mean of its divisors is an integer number (19021860790).

Almost surely, 2^72283070983 is an apocalyptic number.

72283070983 is a deficient number, since it is larger than the sum of its proper divisors (3804372177).

72283070983 is a wasteful number, since it uses less digits than its factorization.

72283070983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804372176.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 72283070983 in words is "seventy-two billion, two hundred eighty-three million, seventy thousand, nine hundred eighty-three".