2971494272 has 64 divisors (see below), whose sum is σ = 6166095840. Its totient is φ = 1425070080.

The previous prime is 2971494271. The next prime is 2971494299. The reversal of 2971494272 is 2724941792.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971494271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331838 + ... + 340674.

Almost surely, 2^2971494272 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 2971494272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083047920).

2971494272 is an abundant number, since it is smaller than the sum of its proper divisors (3194601568).

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

2971494272 is an equidigital number, since it uses as much as digits as its factorization.

2971494272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959 (or 8947 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 2971494272 is about 54511.4141441955. The cubic root of 2971494272 is about 1437.6669835207. Note that the first 3 decimals are identical.

The spelling of 2971494272 in words is "two billion, nine hundred seventy-one million, four hundred ninety-four thousand, two hundred seventy-two".