276075385 has 16 divisors (see below), whose sum is σ = 335280384. Its totient is φ = 218213632.

The previous prime is 276075361. The next prime is 276075421. The reversal of 276075385 is 583570672.

It is a cyclic number.

It is not a de Polignac number, because 276075385 - 2¹¹ = 276073337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249744 + ... + 250846.

It is an arithmetic number, because the mean of its divisors is an integer number (20955024).

Almost surely, 2^276075385 is an apocalyptic number.

It is an amenable number.

276075385 is a deficient number, since it is larger than the sum of its proper divisors (59204999).

276075385 is a wasteful number, since it uses less digits than its factorization.

276075385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 276075385 is about 16615.5163928179. The cubic root of 276075385 is about 651.1422794045.

The spelling of 276075385 in words is "two hundred seventy-six million, seventy-five thousand, three hundred eighty-five".