276472340 has 12 divisors (see below), whose sum is σ = 580591956. Its totient is φ = 110588928.

The previous prime is 276472337. The next prime is 276472369. The reversal of 276472340 is 43274672.

It can be written as a sum of positive squares in 2 ways, for example, as 70090384 + 206381956 = 8372^2 + 14366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 276472340.

It is a congruent number.

It is an unprimeable number.

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, 6911789 + ... + 6911828.

It is an arithmetic number, because the mean of its divisors is an integer number (48382663).

Almost surely, 2^276472340 is an apocalyptic number.

276472340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276472340 is an abundant number, since it is smaller than the sum of its proper divisors (304119616).

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

276472340 is a wasteful number, since it uses less digits than its factorization.

276472340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13823626 (or 13823624 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 276472340 is about 16627.4574123646. The cubic root of 276472340 is about 651.4542115965.

The spelling of 276472340 in words is "two hundred seventy-six million, four hundred seventy-two thousand, three hundred forty".