272371993 has 2 divisors, whose sum is σ = 272371994. Its totient is φ = 272371992.

The previous prime is 272371991. The next prime is 272371997. The reversal of 272371993 is 399173272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155451024 + 116920969 = 12468^2 + 10813^2 .

It is a cyclic number.

It is not a de Polignac number, because 272371993 - 2¹ = 272371991 is a prime.

Together with 272371991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (272371991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136185996 + 136185997.

It is an arithmetic number, because the mean of its divisors is an integer number (136185997).

Almost surely, 2^272371993 is an apocalyptic number.

It is an amenable number.

272371993 is a deficient number, since it is larger than the sum of its proper divisors (1).

272371993 is an equidigital number, since it uses as much as digits as its factorization.

272371993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 43.

The square root of 272371993 is about 16503.6963435468. The cubic root of 272371993 is about 648.2175965179.

The spelling of 272371993 in words is "two hundred seventy-two million, three hundred seventy-one thousand, nine hundred ninety-three".