276400072 has 32 divisors (see below), whose sum is σ = 558835200. Its totient is φ = 127404864.

The previous prime is 276400067. The next prime is 276400079. The reversal of 276400072 is 270004672.

276400072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 276400072.

It is not an unprimeable number, because it can be changed into a prime (276400079) 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 7 ways as a sum of consecutive naturals, for example, 122329 + ... + 124567.

It is an arithmetic number, because the mean of its divisors is an integer number (17463600).

Almost surely, 2^276400072 is an apocalyptic number.

It is an amenable number.

276400072 is an abundant number, since it is smaller than the sum of its proper divisors (282435128).

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

276400072 is a wasteful number, since it uses less digits than its factorization.

276400072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445 (or 3441 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 276400072 is about 16625.2841178730. The cubic root of 276400072 is about 651.3974447416.

The spelling of 276400072 in words is "two hundred seventy-six million, four hundred thousand, seventy-two".