273640983 has 32 divisors (see below), whose sum is σ = 478832640. Its totient is φ = 134667360.

The previous prime is 273640973. The next prime is 273640987. The reversal of 273640983 is 389046372.

It is not a de Polignac number, because 273640983 - 2⁶ = 273640919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273640987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26785 + ... + 35562.

It is an arithmetic number, because the mean of its divisors is an integer number (14963520).

Almost surely, 2^273640983 is an apocalyptic number.

273640983 is a deficient number, since it is larger than the sum of its proper divisors (205191657).

273640983 is a wasteful number, since it uses less digits than its factorization.

273640983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62387.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 273640983 is about 16542.0972975013. The cubic root of 273640983 is about 649.2227261286. Note that the first 3 decimals are identical.

The spelling of 273640983 in words is "two hundred seventy-three million, six hundred forty thousand, nine hundred eighty-three".