2997117072 has 160 divisors (see below), whose sum is σ = 8756384000. Its totient is φ = 981393408.

The previous prime is 2997117059. The next prime is 2997117077. The reversal of 2997117072 is 2707117992.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2997117077) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8587554 + ... + 8587902.

It is an arithmetic number, because the mean of its divisors is an integer number (54727400).

Almost surely, 2^2997117072 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 2997117072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4378192000).

2997117072 is an abundant number, since it is smaller than the sum of its proper divisors (5759266928).

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

2997117072 is a wasteful number, since it uses less digits than its factorization.

2997117072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 2997117072 is about 54745.9320132556. The cubic root of 2997117072 is about 1441.7874331672.

The spelling of 2997117072 in words is "two billion, nine hundred ninety-seven million, one hundred seventeen thousand, seventy-two".