273910945 has 32 divisors (see below), whose sum is σ = 423947520. Its totient is φ = 164855040.

The previous prime is 273910937. The next prime is 273910957. The reversal of 273910945 is 549019372.

It is not a de Polignac number, because 273910945 - 2³ = 273910937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273910898 and 273910907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102 + ... + 23431.

It is an arithmetic number, because the mean of its divisors is an integer number (13248360).

Almost surely, 2^273910945 is an apocalyptic number.

It is an amenable number.

273910945 is a deficient number, since it is larger than the sum of its proper divisors (150036575).

273910945 is a wasteful number, since it uses less digits than its factorization.

273910945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24585.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 273910945 is about 16550.2551339851. The cubic root of 273910945 is about 649.4361540283.

The spelling of 273910945 in words is "two hundred seventy-three million, nine hundred ten thousand, nine hundred forty-five".