273972893 has 4 divisors (see below), whose sum is σ = 276632928. Its totient is φ = 271312860.

The previous prime is 273972887. The next prime is 273972943. The reversal of 273972893 is 398279372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 273972893 - 2⁴ = 273972877 is a prime.

It is a super-2 number, since 2×273972893² = 150122292197578898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273972863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329863 + ... + 1330068.

It is an arithmetic number, because the mean of its divisors is an integer number (69158232).

Almost surely, 2^273972893 is an apocalyptic number.

It is an amenable number.

273972893 is a deficient number, since it is larger than the sum of its proper divisors (2660035).

273972893 is a wasteful number, since it uses less digits than its factorization.

273972893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660034.

The product of its digits is 1143072, while the sum is 50.

The square root of 273972893 is about 16552.1265401156. The cubic root of 273972893 is about 649.4851094023.

The spelling of 273972893 in words is "two hundred seventy-three million, nine hundred seventy-two thousand, eight hundred ninety-three".