276227740 has 12 divisors (see below), whose sum is σ = 580078296. Its totient is φ = 110491088.

The previous prime is 276227737. The next prime is 276227741. The reversal of 276227740 is 47722672.

It is a self number, because there is not a number n which added to its sum of digits gives 276227740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276227741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6905674 + ... + 6905713.

It is an arithmetic number, because the mean of its divisors is an integer number (48339858).

Almost surely, 2^276227740 is an apocalyptic number.

276227740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276227740 is an abundant number, since it is smaller than the sum of its proper divisors (303850556).

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

276227740 is a wasteful number, since it uses less digits than its factorization.

276227740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13811396 (or 13811394 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 276227740 is about 16620.1004810440. The cubic root of 276227740 is about 651.2620372000.

The spelling of 276227740 in words is "two hundred seventy-six million, two hundred twenty-seven thousand, seven hundred forty".