276401764 has 48 divisors (see below), whose sum is σ = 522023040. Its totient is φ = 127733760.

The previous prime is 276401737. The next prime is 276401819. The reversal of 276401764 is 467104672.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 430884 + ... + 431524.

It is an arithmetic number, because the mean of its divisors is an integer number (10875480).

Almost surely, 2^276401764 is an apocalyptic number.

It is an amenable number.

276401764 is a deficient number, since it is larger than the sum of its proper divisors (245621276).

276401764 is a wasteful number, since it uses less digits than its factorization.

276401764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 276401764 is about 16625.3350041435. The cubic root of 276401764 is about 651.3987739287.

The spelling of 276401764 in words is "two hundred seventy-six million, four hundred one thousand, seven hundred sixty-four".