276738225 has 12 divisors (see below), whose sum is σ = 457540656. Its totient is φ = 147593680.

The previous prime is 276738221. The next prime is 276738251. The reversal of 276738225 is 522837672.

It is not a de Polignac number, because 276738225 - 2² = 276738221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276738221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1844847 + ... + 1844996.

It is an arithmetic number, because the mean of its divisors is an integer number (38128388).

Almost surely, 2^276738225 is an apocalyptic number.

276738225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

276738225 is a deficient number, since it is larger than the sum of its proper divisors (180802431).

276738225 is a wasteful number, since it uses less digits than its factorization.

276738225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689856 (or 3689851 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 276738225 is about 16635.4508505180. The cubic root of 276738225 is about 651.6629804091.

The spelling of 276738225 in words is "two hundred seventy-six million, seven hundred thirty-eight thousand, two hundred twenty-five".