72500481357518 has 8 divisors (see below), whose sum is σ = 108751759563600. Its totient is φ = 36249894836320.

The previous prime is 72500481357509. The next prime is 72500481357541. The reversal of 72500481357518 is 81575318400527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172659098 + ... + 173078493.

It is an arithmetic number, because the mean of its divisors is an integer number (13593969945450).

Almost surely, 2^{72500481357518} is an apocalyptic number.

72500481357518 is a deficient number, since it is larger than the sum of its proper divisors (36251278206082).

72500481357518 is a wasteful number, since it uses less digits than its factorization.

72500481357518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345842442.

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 72500481357518 in words is "seventy-two trillion, five hundred billion, four hundred eighty-one million, three hundred fifty-seven thousand, five hundred eighteen".