276971172 has 12 divisors (see below), whose sum is σ = 646266096. Its totient is φ = 92323720.

The previous prime is 276971161. The next prime is 276971173. The reversal of 276971172 is 271179672.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (276971173) 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 3 ways as a sum of consecutive naturals, for example, 11540454 + ... + 11540477.

It is an arithmetic number, because the mean of its divisors is an integer number (53855508).

Almost surely, 2^276971172 is an apocalyptic number.

It is an amenable number.

276971172 is an abundant number, since it is smaller than the sum of its proper divisors (369294924).

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

276971172 is a wasteful number, since it uses less digits than its factorization.

276971172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23080938 (or 23080936 counting only the distinct ones).

The product of its digits is 74088, while the sum is 42.

The square root of 276971172 is about 16642.4509012345. The cubic root of 276971172 is about 651.8457769398.

The spelling of 276971172 in words is "two hundred seventy-six million, nine hundred seventy-one thousand, one hundred seventy-two".