4721719 has 2 divisors, whose sum is σ = 4721720. Its totient is φ = 4721718.

The previous prime is 4721687. The next prime is 4721723. The reversal of 4721719 is 9171274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4721719 - 2⁵ = 4721687 is a prime.

It is a super-2 number, since 2×4721719² = 44589260629922, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4721729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360859 + 2360860.

It is an arithmetic number, because the mean of its divisors is an integer number (2360860).

Almost surely, 2^4721719 is an apocalyptic number.

4721719 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721719 is an equidigital number, since it uses as much as digits as its factorization.

4721719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 31.

The square root of 4721719 is about 2172.9516791682. The cubic root of 4721719 is about 167.7644919120.

The spelling of 4721719 in words is "four million, seven hundred twenty-one thousand, seven hundred nineteen".