8744120772 has 96 divisors (see below), whose sum is σ = 22225674240. Its totient is φ = 2667498240.

The previous prime is 8744120761. The next prime is 8744120773. The reversal of 8744120772 is 2770214478.

It is not an unprimeable number, because it can be changed into a prime (8744120773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755743 + ... + 767225.

It is an arithmetic number, because the mean of its divisors is an integer number (231517440).

Almost surely, 2^8744120772 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 8744120772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11112837120).

8744120772 is an abundant number, since it is smaller than the sum of its proper divisors (13481553468).

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

8744120772 is a wasteful number, since it uses less digits than its factorization.

8744120772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11633 (or 11631 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 42.

The square root of 8744120772 is about 93510.0035931985. The cubic root of 8744120772 is about 2060.1810231470.

The spelling of 8744120772 in words is "eight billion, seven hundred forty-four million, one hundred twenty thousand, seven hundred seventy-two".