8073072437 has 4 divisors (see below), whose sum is σ = 8076033420. Its totient is φ = 8070111456.

The previous prime is 8073072419. The next prime is 8073072467. The reversal of 8073072437 is 7342703708.

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 7275066436 + 798006001 = 85294^2 + 28249^2 .

It is a cyclic number.

It is not a de Polignac number, because 8073072437 - 2⁸ = 8073072181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8073072394 and 8073072403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8073072407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476398 + ... + 1481855.

It is an arithmetic number, because the mean of its divisors is an integer number (2019008355).

Almost surely, 2^8073072437 is an apocalyptic number.

It is an amenable number.

8073072437 is a deficient number, since it is larger than the sum of its proper divisors (2960983).

8073072437 is a wasteful number, since it uses less digits than its factorization.

8073072437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960982.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 8073072437 is about 89850.2778904996. The cubic root of 8073072437 is about 2006.0709230508.

The spelling of 8073072437 in words is "eight billion, seventy-three million, seventy-two thousand, four hundred thirty-seven".