276992672 has 48 divisors (see below), whose sum is σ = 596356992. Its totient is φ = 125598720.

The previous prime is 276992633. The next prime is 276992707. The reversal of 276992672 is 276299672.

It is a self number, because there is not a number n which added to its sum of digits gives 276992672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208073 + ... + 209399.

It is an arithmetic number, because the mean of its divisors is an integer number (12424104).

Almost surely, 2^276992672 is an apocalyptic number.

276992672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276992672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298178496).

276992672 is an abundant number, since it is smaller than the sum of its proper divisors (319364320).

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

276992672 is a wasteful number, since it uses less digits than its factorization.

276992672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1933 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 276992672 is about 16643.0968272134. The cubic root of 276992672 is about 651.8626431014.

The spelling of 276992672 in words is "two hundred seventy-six million, nine hundred ninety-two thousand, six hundred seventy-two".