276429945 has 96 divisors (see below), whose sum is σ = 533191680. Its totient is φ = 122073600.

The previous prime is 276429871. The next prime is 276429949. The reversal of 276429945 is 549924672.

It is not a de Polignac number, because 276429945 - 2¹³ = 276421753 is a prime.

Its product of digits (1088640) is a multiple of the sum of its prime factors (112).

It is a junction number, because it is equal to n+sod(n) for n = 276429894 and 276429903.

It is not an unprimeable number, because it can be changed into a prime (276429949) 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 95 ways as a sum of consecutive naturals, for example, 8917080 + ... + 8917110.

It is an arithmetic number, because the mean of its divisors is an integer number (5554080).

Almost surely, 2^276429945 is an apocalyptic number.

It is an amenable number.

276429945 is a deficient number, since it is larger than the sum of its proper divisors (256761735).

276429945 is a wasteful number, since it uses less digits than its factorization.

276429945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 67 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 276429945 is about 16626.1825143356. The cubic root of 276429945 is about 651.4209113236.

The spelling of 276429945 in words is "two hundred seventy-six million, four hundred twenty-nine thousand, nine hundred forty-five".