276393066 has 8 divisors (see below), whose sum is σ = 552786144. Its totient is φ = 92131020.

The previous prime is 276393037. The next prime is 276393067. The reversal of 276393066 is 660393672.

It is a sphenic number, since it is the product of 3 distinct primes.

276393066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (276393067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23032750 + ... + 23032761.

It is an arithmetic number, because the mean of its divisors is an integer number (69098268).

Almost surely, 2^276393066 is an apocalyptic number.

276393066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

276393066 is a wasteful number, since it uses less digits than its factorization.

276393066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46065516.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 276393066 is about 16625.0734133717. The cubic root of 276393066 is about 651.3919409694.

The spelling of 276393066 in words is "two hundred seventy-six million, three hundred ninety-three thousand, sixty-six".