72416324327542 has 48 divisors (see below), whose sum is σ = 118987912519920. Its totient is φ = 33035338592256.

The previous prime is 72416324327509. The next prime is 72416324327573. The reversal of 72416324327542 is 24572342361427.

It is a super-2 number, since 2×72416324327542² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72416324327542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82378533 + ... + 83252959.

It is an arithmetic number, because the mean of its divisors is an integer number (2478914844165).

Almost surely, 2^{72416324327542} is an apocalyptic number.

72416324327542 is a deficient number, since it is larger than the sum of its proper divisors (46571588192378).

72416324327542 is a wasteful number, since it uses less digits than its factorization.

72416324327542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877297 (or 877284 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 52.

Adding to 72416324327542 its reverse (24572342361427), we get a palindrome (96988666688969).

The spelling of 72416324327542 in words is "seventy-two trillion, four hundred sixteen billion, three hundred twenty-four million, three hundred twenty-seven thousand, five hundred forty-two".