276745252 has 24 divisors (see below), whose sum is σ = 558976320. Its totient is φ = 117429600.

The previous prime is 276745213. The next prime is 276745267. The reversal of 276745252 is 252547672.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46102 + ... + 51757.

It is an arithmetic number, because the mean of its divisors is an integer number (23290680).

Almost surely, 2^276745252 is an apocalyptic number.

It is an amenable number.

276745252 is an abundant number, since it is smaller than the sum of its proper divisors (282231068).

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

276745252 is a wasteful number, since it uses less digits than its factorization.

276745252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97971 (or 97969 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 276745252 is about 16635.6620547545. The cubic root of 276745252 is about 651.6684960873.

The spelling of 276745252 in words is "two hundred seventy-six million, seven hundred forty-five thousand, two hundred fifty-two".