276563412 has 36 divisors (see below), whose sum is σ = 740215476. Its totient is φ = 86764800.

The previous prime is 276563363. The next prime is 276563423. The reversal of 276563412 is 214365672.

276563412 is a `hidden beast` number, since 2 + 7 + 6 + 5 + 634 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 183710916 + 92852496 = 13554^2 + 9636^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225339 + ... + 226562.

It is an arithmetic number, because the mean of its divisors is an integer number (20561541).

Almost surely, 2^276563412 is an apocalyptic number.

It is an amenable number.

276563412 is an abundant number, since it is smaller than the sum of its proper divisors (463652064).

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

276563412 is a wasteful number, since it uses less digits than its factorization.

276563412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451928 (or 451923 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 276563412 is about 16630.1957895871. The cubic root of 276563412 is about 651.5257349957.

The spelling of 276563412 in words is "two hundred seventy-six million, five hundred sixty-three thousand, four hundred twelve".