72441178413 has 24 divisors (see below), whose sum is σ = 103563163872. Its totient is φ = 45028433664.

The previous prime is 72441178399. The next prime is 72441178421. The reversal of 72441178413 is 31487114427.

It is a happy number.

It is not a de Polignac number, because 72441178413 - 2²⁶ = 72374069549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72441178463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297670 + ... + 483207.

It is an arithmetic number, because the mean of its divisors is an integer number (4315131828).

Almost surely, 2^72441178413 is an apocalyptic number.

It is an amenable number.

72441178413 is a deficient number, since it is larger than the sum of its proper divisors (31121985459).

72441178413 is a wasteful number, since it uses less digits than its factorization.

72441178413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781021 (or 781004 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The spelling of 72441178413 in words is "seventy-two billion, four hundred forty-one million, one hundred seventy-eight thousand, four hundred thirteen".