712421719 has 2 divisors, whose sum is σ = 712421720. Its totient is φ = 712421718.

The previous prime is 712421713. The next prime is 712421753. The reversal of 712421719 is 917124217.

It is an a-pointer prime, because the next prime (712421753) can be obtained adding 712421719 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712421719 - 2⁵ = 712421687 is a prime.

It is a super-2 number, since 2×712421719² = 1015089411405829922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712421713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356210859 + 356210860.

It is an arithmetic number, because the mean of its divisors is an integer number (356210860).

Almost surely, 2^712421719 is an apocalyptic number.

712421719 is a deficient number, since it is larger than the sum of its proper divisors (1).

712421719 is an equidigital number, since it uses as much as digits as its factorization.

712421719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 34.

The square root of 712421719 is about 26691.2292523218. The cubic root of 712421719 is about 893.1252828077.

The spelling of 712421719 in words is "seven hundred twelve million, four hundred twenty-one thousand, seven hundred nineteen".