276735949 has 16 divisors (see below), whose sum is σ = 323688960. Its totient is φ = 231678720.

The previous prime is 276735941. The next prime is 276735989. The reversal of 276735949 is 949537672.

It is not a de Polignac number, because 276735949 - 2³ = 276735941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 276735896 and 276735905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276735941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87109 + ... + 90229.

It is an arithmetic number, because the mean of its divisors is an integer number (20230560).

Almost surely, 2^276735949 is an apocalyptic number.

It is an amenable number.

276735949 is a deficient number, since it is larger than the sum of its proper divisors (46953011).

276735949 is a wasteful number, since it uses less digits than its factorization.

276735949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its digits is 2857680, while the sum is 52.

The square root of 276735949 is about 16635.3824422524. The cubic root of 276735949 is about 651.6611938965.

The spelling of 276735949 in words is "two hundred seventy-six million, seven hundred thirty-five thousand, nine hundred forty-nine".