7716138072 has 64 divisors (see below), whose sum is σ = 20150242560. Its totient is φ = 2457628800.

The previous prime is 7716138061. The next prime is 7716138119. The reversal of 7716138072 is 2708316177.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556747 + ... + 570437.

It is an arithmetic number, because the mean of its divisors is an integer number (314847540).

Almost surely, 2^7716138072 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 7716138072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10075121280).

7716138072 is an abundant number, since it is smaller than the sum of its proper divisors (12434104488).

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

7716138072 is a wasteful number, since it uses less digits than its factorization.

7716138072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744 (or 14740 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 7716138072 is about 87841.5509425921. The cubic root of 7716138072 is about 1976.0594067985.

The spelling of 7716138072 in words is "seven billion, seven hundred sixteen million, one hundred thirty-eight thousand, seventy-two".