72110712 has 64 divisors (see below), whose sum is σ = 188098560. Its totient is φ = 23011200.

The previous prime is 72110707. The next prime is 72110741. The reversal of 72110712 is 21701127.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76162 + ... + 77102.

It is an arithmetic number, because the mean of its divisors is an integer number (2939040).

Almost surely, 2^72110712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72110712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94049280).

72110712 is an abundant number, since it is smaller than the sum of its proper divisors (115987848).

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

72110712 is a wasteful number, since it uses less digits than its factorization.

72110712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 72110712 is about 8491.8026354832. The cubic root of 72110712 is about 416.2298871145.

Adding to 72110712 its reverse (21701127), we get a palindrome (93811839).

The spelling of 72110712 in words is "seventy-two million, one hundred ten thousand, seven hundred twelve".