276327540 has 36 divisors (see below), whose sum is σ = 838194084. Its totient is φ = 73687296.

The previous prime is 276327533. The next prime is 276327547. The reversal of 276327540 is 45723672.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (276327533) and next prime (276327547).

It can be written as a sum of positive squares in 2 ways, for example, as 44435556 + 231891984 = 6666^2 + 15228^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 276327495 and 276327504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276327547) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 767397 + ... + 767756.

It is an arithmetic number, because the mean of its divisors is an integer number (23283169).

Almost surely, 2^276327540 is an apocalyptic number.

276327540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276327540 is an abundant number, since it is smaller than the sum of its proper divisors (561866544).

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

276327540 is a wasteful number, since it uses less digits than its factorization.

276327540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535168 (or 1535163 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 276327540 is about 16623.1025984923. The cubic root of 276327540 is about 651.3404605634.

It can be divided in two parts, 2763 and 27540, that added together give a palindrome (30303).

The spelling of 276327540 in words is "two hundred seventy-six million, three hundred twenty-seven thousand, five hundred forty".