7271723 has 2 divisors, whose sum is σ = 7271724. Its totient is φ = 7271722.

The previous prime is 7271689. The next prime is 7271731. The reversal of 7271723 is 3271727.

7271723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7271723 - 2¹² = 7267627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7271783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3635861 + 3635862.

It is an arithmetic number, because the mean of its divisors is an integer number (3635862).

Almost surely, 2^7271723 is an apocalyptic number.

7271723 is a deficient number, since it is larger than the sum of its proper divisors (1).

7271723 is an equidigital number, since it uses as much as digits as its factorization.

7271723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 29.

The square root of 7271723 is about 2696.6132462776. The cubic root of 7271723 is about 193.7369428592.

The spelling of 7271723 in words is "seven million, two hundred seventy-one thousand, seven hundred twenty-three".