72157533677241 has 8 divisors (see below), whose sum is σ = 96210327917184. Its totient is φ = 48104880944400.

The previous prime is 72157533677237. The next prime is 72157533677323. The reversal of 72157533677241 is 14277633575127.

It is a happy number.

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

It is not a de Polignac number, because 72157533677241 - 2² = 72157533677237 is a prime.

It is a super-2 number, since 2×72157533677241² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72157533677941) 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, 34181185 + ... + 36230766.

It is an arithmetic number, because the mean of its divisors is an integer number (12026290989648).

Almost surely, 2^{72157533677241} is an apocalyptic number.

It is an amenable number.

72157533677241 is a deficient number, since it is larger than the sum of its proper divisors (24052794239943).

72157533677241 is a wasteful number, since it uses less digits than its factorization.

72157533677241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70753551.

The product of its digits is 51861600, while the sum is 60.

The spelling of 72157533677241 in words is "seventy-two trillion, one hundred fifty-seven billion, five hundred thirty-three million, six hundred seventy-seven thousand, two hundred forty-one".