72550272834604 has 24 divisors (see below), whose sum is σ = 127009542955680. Its totient is φ = 36261834050304.

The previous prime is 72550272834581. The next prime is 72550272834701. The reversal of 72550272834604 is 40643827205527.

It is a happy number.

It is a super-2 number, since 2×72550272834604² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144310977 + ... + 144812839.

It is an arithmetic number, because the mean of its divisors is an integer number (5292064289820).

Almost surely, 2^{72550272834604} is an apocalyptic number.

It is an amenable number.

72550272834604 is a deficient number, since it is larger than the sum of its proper divisors (54459270121076).

72550272834604 is a wasteful number, since it uses less digits than its factorization.

72550272834604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515049 (or 515047 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 72550272834604 in words is "seventy-two trillion, five hundred fifty billion, two hundred seventy-two million, eight hundred thirty-four thousand, six hundred four".