2905297272 has 24 divisors (see below), whose sum is σ = 7868513640. Its totient is φ = 968432400.

The previous prime is 2905297253. The next prime is 2905297273. The reversal of 2905297272 is 2727925092.

It is a happy number.

2905297272 is a `hidden beast` number, since 2 + 90 + 5 + 297 + 272 = 666.

2905297272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905297273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20175604 + ... + 20175747.

It is an arithmetic number, because the mean of its divisors is an integer number (327854735).

Almost surely, 2^2905297272 is an apocalyptic number.

It is an amenable number.

2905297272 is an abundant number, since it is smaller than the sum of its proper divisors (4963216368).

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

2905297272 is a wasteful number, since it uses less digits than its factorization.

2905297272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40351363 (or 40351356 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 2905297272 is about 53900.8095672041. The cubic root of 2905297272 is about 1426.9109107652.

The spelling of 2905297272 in words is "two billion, nine hundred five million, two hundred ninety-seven thousand, two hundred seventy-two".