273972973 has 2 divisors, whose sum is σ = 273972974. Its totient is φ = 273972972.

The previous prime is 273972971. The next prime is 273972977. The reversal of 273972973 is 379279372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258148489 + 15824484 = 16067^2 + 3978^2 .

It is a cyclic number.

It is not a de Polignac number, because 273972973 - 2¹ = 273972971 is a prime.

It is a super-2 number, since 2×273972973² = 150122379868917458, which contains 22 as substring.

Together with 273972971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273972971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136986486 + 136986487.

It is an arithmetic number, because the mean of its divisors is an integer number (136986487).

Almost surely, 2^273972973 is an apocalyptic number.

It is an amenable number.

273972973 is a deficient number, since it is larger than the sum of its proper divisors (1).

273972973 is an equidigital number, since it uses as much as digits as its factorization.

273972973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 49.

The square root of 273972973 is about 16552.1289567234. The cubic root of 273972973 is about 649.4851726188.

The spelling of 273972973 in words is "two hundred seventy-three million, nine hundred seventy-two thousand, nine hundred seventy-three".