72023586437 has 8 divisors (see below), whose sum is σ = 78574275072. Its totient is φ = 65473412800.

The previous prime is 72023586403. The next prime is 72023586449. The reversal of 72023586437 is 73468532027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72023586437 - 2¹⁸ = 72023324293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72023586391 and 72023586400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72023586937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200237 + ... + 429117.

It is an arithmetic number, because the mean of its divisors is an integer number (9821784384).

Almost surely, 2^72023586437 is an apocalyptic number.

It is an amenable number.

72023586437 is a deficient number, since it is larger than the sum of its proper divisors (6550688635).

72023586437 is a wasteful number, since it uses less digits than its factorization.

72023586437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257499.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 72023586437 in words is "seventy-two billion, twenty-three million, five hundred eighty-six thousand, four hundred thirty-seven".