72240756235503 has 8 divisors (see below), whose sum is σ = 96321070349616. Its totient is φ = 48160473139200.

The previous prime is 72240756235493. The next prime is 72240756235519. The reversal of 72240756235503 is 30553265704227.

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

It is not a de Polignac number, because 72240756235503 - 2⁵ = 72240756235471 is a prime.

It is a super-2 number, since 2×72240756235503² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72240756235523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628818 + ... + 12129903.

It is an arithmetic number, because the mean of its divisors is an integer number (12040133793702).

Almost surely, 2^{72240756235503} is an apocalyptic number.

72240756235503 is a deficient number, since it is larger than the sum of its proper divisors (24080314114113).

72240756235503 is a wasteful number, since it uses less digits than its factorization.

72240756235503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15508905.

The product of its (nonzero) digits is 10584000, while the sum is 51.

The spelling of 72240756235503 in words is "seventy-two trillion, two hundred forty billion, seven hundred fifty-six million, two hundred thirty-five thousand, five hundred three".