276420064 has 24 divisors (see below), whose sum is σ = 544968648. Its totient is φ = 138015360.

The previous prime is 276420059. The next prime is 276420071. The reversal of 276420064 is 460024672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18519 + ... + 29929.

It is an arithmetic number, because the mean of its divisors is an integer number (22707027).

Almost surely, 2^276420064 is an apocalyptic number.

It is an amenable number.

276420064 is a deficient number, since it is larger than the sum of its proper divisors (268548584).

276420064 is a wasteful number, since it uses less digits than its factorization.

276420064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12178 (or 12170 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 276420064 is about 16625.8853598838. The cubic root of 276420064 is about 651.4131495418.

The spelling of 276420064 in words is "two hundred seventy-six million, four hundred twenty thousand, sixty-four".