4272973 has 2 divisors, whose sum is σ = 4272974. Its totient is φ = 4272972.

The previous prime is 4272971. The next prime is 4273033. The reversal of 4272973 is 3792724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4272489 + 484 = 2067^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272973 - 2¹ = 4272971 is a prime.

Together with 4272971, 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 (4272971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136486 + 2136487.

It is an arithmetic number, because the mean of its divisors is an integer number (2136487).

Almost surely, 2^4272973 is an apocalyptic number.

It is an amenable number.

4272973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4272973 is an equidigital number, since it uses as much as digits as its factorization.

4272973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 4272973 is about 2067.1170745751. The cubic root of 4272973 is about 162.2719230302.

Subtracting from 4272973 its reverse (3792724), we obtain a square (480249 = 693²).

The spelling of 4272973 in words is "four million, two hundred seventy-two thousand, nine hundred seventy-three".