276652740 has 192 divisors, whose sum is σ = 995291136. Its totient is φ = 55807488.

The previous prime is 276652729. The next prime is 276652741. The reversal of 276652740 is 47256672.

It is a happy number.

276652740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (276652741) 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 63 ways as a sum of consecutive naturals, for example, 124479 + ... + 126681.

It is an arithmetic number, because the mean of its divisors is an integer number (5183808).

Almost surely, 2^276652740 is an apocalyptic number.

276652740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276652740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497645568).

276652740 is an abundant number, since it is smaller than the sum of its proper divisors (718638396).

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

276652740 is a wasteful number, since it uses less digits than its factorization.

276652740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 276652740 is about 16632.8812897826. The cubic root of 276652740 is about 651.5958734926.

The spelling of 276652740 in words is "two hundred seventy-six million, six hundred fifty-two thousand, seven hundred forty".