72604418741 has 2 divisors, whose sum is σ = 72604418742. Its totient is φ = 72604418740.

The previous prime is 72604418659. The next prime is 72604418891. The reversal of 72604418741 is 14781440627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70904505841 + 1699912900 = 266279^2 + 41230^2 .

It is an emirp because it is prime and its reverse (14781440627) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72604418741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72604418692 and 72604418701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72604498741) 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 as a sum of consecutive naturals, namely, 36302209370 + 36302209371.

It is an arithmetic number, because the mean of its divisors is an integer number (36302209371).

Almost surely, 2^72604418741 is an apocalyptic number.

It is an amenable number.

72604418741 is a deficient number, since it is larger than the sum of its proper divisors (1).

72604418741 is an equidigital number, since it uses as much as digits as its factorization.

72604418741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 72604418741 in words is "seventy-two billion, six hundred four million, four hundred eighteen thousand, seven hundred forty-one".