72012277140 has 24 divisors (see below), whose sum is σ = 201634376160. Its totient is φ = 19203273888.

The previous prime is 72012277121. The next prime is 72012277163. The reversal of 72012277140 is 4177221027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600102250 + ... + 600102369.

It is an arithmetic number, because the mean of its divisors is an integer number (8401432340).

Almost surely, 2^72012277140 is an apocalyptic number.

It is an amenable number.

72012277140 is an abundant number, since it is smaller than the sum of its proper divisors (129622099020).

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

72012277140 is a wasteful number, since it uses less digits than its factorization.

72012277140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200204631 (or 1200204629 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

Adding to 72012277140 its reverse (4177221027), we get a palindrome (76189498167).

The spelling of 72012277140 in words is "seventy-two billion, twelve million, two hundred seventy-seven thousand, one hundred forty".