72087140262 has 32 divisors (see below), whose sum is σ = 146182143744. Its totient is φ = 23696300000.

The previous prime is 72087140249. The next prime is 72087140263. The reversal of 72087140262 is 26204178027.

It is a super-2 number, since 2×72087140262² (a number of 23 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 72087140262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72087140263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84858 + ... + 389069.

It is an arithmetic number, because the mean of its divisors is an integer number (4568191992).

Almost surely, 2^72087140262 is an apocalyptic number.

72087140262 is an abundant number, since it is smaller than the sum of its proper divisors (74095003482).

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

72087140262 is a wasteful number, since it uses less digits than its factorization.

72087140262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474284.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 72087140262 in words is "seventy-two billion, eighty-seven million, one hundred forty thousand, two hundred sixty-two".