2975212772 has 72 divisors (see below), whose sum is σ = 6586554744. Its totient is φ = 1167602688.

The previous prime is 2975212763. The next prime is 2975212777. The reversal of 2975212772 is 2772125792.

It can be written as a sum of positive squares in 4 ways, for example, as 1361905216 + 1613307556 = 36904^2 + 40166^2 .

It is not an unprimeable number, because it can be changed into a prime (2975212777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111218 + ... + 135350.

It is an arithmetic number, because the mean of its divisors is an integer number (91479927).

Almost surely, 2^2975212772 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 2975212772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293277372).

2975212772 is an abundant number, since it is smaller than the sum of its proper divisors (3611341972).

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

2975212772 is a wasteful number, since it uses less digits than its factorization.

2975212772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24205 (or 24196 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The square root of 2975212772 is about 54545.5110160314. The cubic root of 2975212772 is about 1438.2664278603.

It can be divided in two parts, 29752 and 12772, that added together give a palindrome (42524).

The spelling of 2975212772 in words is "two billion, nine hundred seventy-five million, two hundred twelve thousand, seven hundred seventy-two".