72508329038 has 16 divisors (see below), whose sum is σ = 109217327616. Its totient is φ = 36102850560.

The previous prime is 72508329001. The next prime is 72508329107. The reversal of 72508329038 is 83092380527.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72508328983 and 72508329001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417170 + ... + 564842.

It is an arithmetic number, because the mean of its divisors is an integer number (6826082976).

Almost surely, 2^72508329038 is an apocalyptic number.

72508329038 is a deficient number, since it is larger than the sum of its proper divisors (36708998578).

72508329038 is a wasteful number, since it uses less digits than its factorization.

72508329038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148699.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 72508329038 in words is "seventy-two billion, five hundred eight million, three hundred twenty-nine thousand, thirty-eight".