8072390943 has 6 divisors (see below), whose sum is σ = 11660120264. Its totient is φ = 5381593956.

The previous prime is 8072390929. The next prime is 8072390969. The reversal of 8072390943 is 3490932708.

It is a happy number.

It is not a de Polignac number, because 8072390943 - 2⁴ = 8072390927 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 (8072390923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448466155 + ... + 448466172.

Almost surely, 2^8072390943 is an apocalyptic number.

8072390943 is a deficient number, since it is larger than the sum of its proper divisors (3587729321).

8072390943 is a wasteful number, since it uses less digits than its factorization.

8072390943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896932333 (or 896932330 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 8072390943 is about 89846.4854237493. The cubic root of 8072390943 is about 2006.0144735070.

The spelling of 8072390943 in words is "eight billion, seventy-two million, three hundred ninety thousand, nine hundred forty-three".