72234035740 has 12 divisors (see below), whose sum is σ = 151691475096. Its totient is φ = 28893614288.

The previous prime is 72234035737. The next prime is 72234035761. The reversal of 72234035740 is 4753043227.

It is a self number, because there is not a number n which added to its sum of digits gives 72234035740.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1805850874 + ... + 1805850913.

It is an arithmetic number, because the mean of its divisors is an integer number (12640956258).

Almost surely, 2^72234035740 is an apocalyptic number.

It is an amenable number.

72234035740 is an abundant number, since it is smaller than the sum of its proper divisors (79457439356).

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

72234035740 is a wasteful number, since it uses less digits than its factorization.

72234035740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611701796 (or 3611701794 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 37.

Adding to 72234035740 its reverse (4753043227), we get a palindrome (76987078967).

The spelling of 72234035740 in words is "seventy-two billion, two hundred thirty-four million, thirty-five thousand, seven hundred forty".