714261781 has 2 divisors, whose sum is σ = 714261782. Its totient is φ = 714261780.

The previous prime is 714261721. The next prime is 714261827. The reversal of 714261781 is 187162417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 711075556 + 3186225 = 26666^2 + 1785^2 .

It is a cyclic number.

It is not a de Polignac number, because 714261781 - 2⁹ = 714261269 is a prime.

It is a super-2 number, since 2×714261781² = 1020339783594583922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 714261781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (714261721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357130890 + 357130891.

It is an arithmetic number, because the mean of its divisors is an integer number (357130891).

Almost surely, 2^714261781 is an apocalyptic number.

It is an amenable number.

714261781 is a deficient number, since it is larger than the sum of its proper divisors (1).

714261781 is an equidigital number, since it uses as much as digits as its factorization.

714261781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 37.

The square root of 714261781 is about 26725.6764367153. The cubic root of 714261781 is about 893.8935510957.

The spelling of 714261781 in words is "seven hundred fourteen million, two hundred sixty-one thousand, seven hundred eighty-one".