276274992 has 80 divisors (see below), whose sum is σ = 817963520. Its totient is φ = 78713856.

The previous prime is 276274981. The next prime is 276275003. The reversal of 276274992 is 299472672.

It is an interprime number because it is at equal distance from previous prime (276274981) and next prime (276275003).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146568 + ... + 148440.

It is an arithmetic number, because the mean of its divisors is an integer number (10224544).

Almost surely, 2^276274992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276274992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408981760).

276274992 is an abundant number, since it is smaller than the sum of its proper divisors (541688528).

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

276274992 is a wasteful number, since it uses less digits than its factorization.

276274992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2324 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 276274992 is about 16621.5219519754. The cubic root of 276274992 is about 651.2991704235.

The spelling of 276274992 in words is "two hundred seventy-six million, two hundred seventy-four thousand, nine hundred ninety-two".