276428874 has 16 divisors (see below), whose sum is σ = 585379008. Its totient is φ = 86722752.

The previous prime is 276428869. The next prime is 276428879. The reversal of 276428874 is 478824672.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (276428869) and next prime (276428879).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (276428879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354942 + ... + 1355145.

It is an arithmetic number, because the mean of its divisors is an integer number (36586188).

Almost surely, 2^276428874 is an apocalyptic number.

276428874 is an abundant number, since it is smaller than the sum of its proper divisors (308950134).

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

276428874 is a wasteful number, since it uses less digits than its factorization.

276428874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710109.

The product of its digits is 1204224, while the sum is 48.

The square root of 276428874 is about 16626.1503060691. The cubic root of 276428874 is about 651.4200700343.

The spelling of 276428874 in words is "two hundred seventy-six million, four hundred twenty-eight thousand, eight hundred seventy-four".