276297472 has 72 divisors (see below), whose sum is σ = 612218880. Its totient is φ = 123386880.

The previous prime is 276297457. The next prime is 276297473. The reversal of 276297472 is 274792672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276297473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165313 + ... + 166975.

It is an arithmetic number, because the mean of its divisors is an integer number (8503040).

Almost surely, 2^276297472 is an apocalyptic number.

276297472 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 276297472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306109440).

276297472 is an abundant number, since it is smaller than the sum of its proper divisors (335921408).

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

276297472 is a wasteful number, since it uses less digits than its factorization.

276297472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1735 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The square root of 276297472 is about 16622.1981699172. The cubic root of 276297472 is about 651.3168349591.

The spelling of 276297472 in words is "two hundred seventy-six million, two hundred ninety-seven thousand, four hundred seventy-two".