72504038504222 has 16 divisors (see below), whose sum is σ = 123286219319760. Its totient is φ = 31702170681792.

The previous prime is 72504038504173. The next prime is 72504038504239. The reversal of 72504038504222 is 22240583040527.

It is a super-2 number, since 2×72504038504222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 73384653863 + ... + 73384654850.

It is an arithmetic number, because the mean of its divisors is an integer number (7705388707485).

Almost surely, 2^{72504038504222} is an apocalyptic number.

72504038504222 is a deficient number, since it is larger than the sum of its proper divisors (50782180815538).

72504038504222 is a wasteful number, since it uses less digits than its factorization.

72504038504222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146769308747.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 72504038504222 in words is "seventy-two trillion, five hundred four billion, thirty-eight million, five hundred four thousand, two hundred twenty-two".