72417053332641 has 8 divisors (see below), whose sum is σ = 96904648985344. Its totient is φ = 48103746617520.

The previous prime is 72417053332627. The next prime is 72417053332651. The reversal of 72417053332641 is 14623335071427.

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

It is not a de Polignac number, because 72417053332641 - 2¹⁵ = 72417053299873 is a prime.

It is a super-2 number, since 2×72417053332641² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72417053332651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43572233425 + ... + 43572235086.

It is an arithmetic number, because the mean of its divisors is an integer number (12113081123168).

Almost surely, 2^{72417053332641} is an apocalyptic number.

It is an amenable number.

72417053332641 is a deficient number, since it is larger than the sum of its proper divisors (24487595652703).

72417053332641 is a wasteful number, since it uses less digits than its factorization.

72417053332641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87144468791.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 72417053332641 in words is "seventy-two trillion, four hundred seventeen billion, fifty-three million, three hundred thirty-two thousand, six hundred forty-one".