276507012 has 48 divisors (see below), whose sum is σ = 676190592. Its totient is φ = 87774720.

The previous prime is 276506999. The next prime is 276507013. The reversal of 276507012 is 210705672.

It is a super-2 number, since 2×276507012² = 152912255370336288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (276507013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64438 + ... + 68594.

It is an arithmetic number, because the mean of its divisors is an integer number (14087304).

Almost surely, 2^276507012 is an apocalyptic number.

It is a pronic number, being equal to 16628×16629.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276507012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338095296).

276507012 is an abundant number, since it is smaller than the sum of its proper divisors (399683580).

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

276507012 is a wasteful number, since it uses less digits than its factorization.

276507012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428 (or 4426 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 276507012 is about 16628.4999924828. The cubic root of 276507012 is about 651.4814431046.

The spelling of 276507012 in words is "two hundred seventy-six million, five hundred seven thousand, twelve".