276722013 has 4 divisors (see below), whose sum is σ = 368962688. Its totient is φ = 184481340.

The previous prime is 276722011. The next prime is 276722029. The reversal of 276722013 is 310227672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 276722013 - 2¹ = 276722011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276722011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46120333 + ... + 46120338.

It is an arithmetic number, because the mean of its divisors is an integer number (92240672).

Almost surely, 2^276722013 is an apocalyptic number.

It is an amenable number.

276722013 is a deficient number, since it is larger than the sum of its proper divisors (92240675).

276722013 is an equidigital number, since it uses as much as digits as its factorization.

276722013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92240674.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 276722013 is about 16634.9635707446. The cubic root of 276722013 is about 651.6502548251.

Adding to 276722013 its reverse (310227672), we get a palindrome (586949685).

The spelling of 276722013 in words is "two hundred seventy-six million, seven hundred twenty-two thousand, thirteen".