276672969 has 16 divisors (see below), whose sum is σ = 411345600. Its totient is φ = 183791808.

The previous prime is 276672959. The next prime is 276672983. The reversal of 276672969 is 969276672.

It is a happy number.

It is not a de Polignac number, because 276672969 - 2⁴ = 276672953 is a prime.

It is a super-2 number, since 2×276672969² = 153095863550549922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276672959) 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, 10464 + ... + 25745.

It is an arithmetic number, because the mean of its divisors is an integer number (25709100).

Almost surely, 2^276672969 is an apocalyptic number.

It is an amenable number.

276672969 is a deficient number, since it is larger than the sum of its proper divisors (134672631).

276672969 is a wasteful number, since it uses less digits than its factorization.

276672969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36501 (or 36495 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 276672969 is about 16633.4893813655. The cubic root of 276672969 is about 651.6117547880.

The spelling of 276672969 in words is "two hundred seventy-six million, six hundred seventy-two thousand, nine hundred sixty-nine".