72537422509441 has 8 divisors (see below), whose sum is σ = 72867715845120. Its totient is φ = 72207173936832.

The previous prime is 72537422509439. The next prime is 72537422509451. The reversal of 72537422509441 is 14490522473527.

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 72537422509441 - 2¹ = 72537422509439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72537422509451) 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, 7940296 + ... + 14426473.

It is an arithmetic number, because the mean of its divisors is an integer number (9108464480640).

Almost surely, 2^{72537422509441} is an apocalyptic number.

It is an amenable number.

72537422509441 is a deficient number, since it is larger than the sum of its proper divisors (330293335679).

72537422509441 is a wasteful number, since it uses less digits than its factorization.

72537422509441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22381535.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 72537422509441 in words is "seventy-two trillion, five hundred thirty-seven billion, four hundred twenty-two million, five hundred nine thousand, four hundred forty-one".