715747919 has 2 divisors, whose sum is σ = 715747920. Its totient is φ = 715747918.

The previous prime is 715747867. The next prime is 715747969. The reversal of 715747919 is 919747517.

It is an a-pointer prime, because the next prime (715747969) can be obtained adding 715747919 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 715747919 - 2¹² = 715743823 is a prime.

It is a super-2 number, since 2×715747919² = 1024590167105661122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715747969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357873959 + 357873960.

It is an arithmetic number, because the mean of its divisors is an integer number (357873960).

Almost surely, 2^715747919 is an apocalyptic number.

715747919 is a deficient number, since it is larger than the sum of its proper divisors (1).

715747919 is an equidigital number, since it uses as much as digits as its factorization.

715747919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 555660, while the sum is 50.

The square root of 715747919 is about 26753.4655512141. The cubic root of 715747919 is about 894.5130853343.

The spelling of 715747919 in words is "seven hundred fifteen million, seven hundred forty-seven thousand, nine hundred nineteen".