276949673 has 16 divisors (see below), whose sum is σ = 371849856. Its totient is φ = 199203840.

The previous prime is 276949661. The next prime is 276949741. The reversal of 276949673 is 376949672.

It is not a de Polignac number, because 276949673 - 2¹⁴ = 276933289 is a prime.

It is a super-2 number, since 2×276949673² = 153402242749613858, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (276949973) 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, 137336 + ... + 139337.

It is an arithmetic number, because the mean of its divisors is an integer number (23240616).

Almost surely, 2^276949673 is an apocalyptic number.

It is an amenable number.

276949673 is a deficient number, since it is larger than the sum of its proper divisors (94900183).

276949673 is a wasteful number, since it uses less digits than its factorization.

276949673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276704.

The product of its digits is 3429216, while the sum is 53.

The square root of 276949673 is about 16641.8049802298. The cubic root of 276949673 is about 651.8289106900.

Subtracting 276949673 from its reverse (376949672), we obtain a palindrome (99999999).

It can be divided in two parts, 276 and 949673, that added together give a palindrome (949949).

The spelling of 276949673 in words is "two hundred seventy-six million, nine hundred forty-nine thousand, six hundred seventy-three".