72240756235500 has 96 divisors (see below), whose sum is σ = 210445724099520. Its totient is φ = 19256816870400.

The previous prime is 72240756235493. The next prime is 72240756235519. The reversal of 72240756235500 is 553265704227.

It is a super-2 number, since 2×72240756235500² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72240756235500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5316187 + ... + 13143186.

It is an arithmetic number, because the mean of its divisors is an integer number (2192142959370).

Almost surely, 2^{72240756235500} is an apocalyptic number.

It is an amenable number.

72240756235500 is an abundant number, since it is smaller than the sum of its proper divisors (138204967864020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72240756235500 is a wasteful number, since it uses less digits than its factorization.

72240756235500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462004 (or 18461992 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 72240756235500 in words is "seventy-two trillion, two hundred forty billion, seven hundred fifty-six million, two hundred thirty-five thousand, five hundred".