749937917 has 2 divisors, whose sum is σ = 749937918. Its totient is φ = 749937916.

The previous prime is 749937913. The next prime is 749937919. The reversal of 749937917 is 719739947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405055876 + 344882041 = 20126^2 + 18571^2 .

It is a cyclic number.

It is not a de Polignac number, because 749937917 - 2² = 749937913 is a prime.

Together with 749937919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749937911) 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, 374968958 + 374968959.

It is an arithmetic number, because the mean of its divisors is an integer number (374968959).

Almost surely, 2^749937917 is an apocalyptic number.

It is an amenable number.

749937917 is a deficient number, since it is larger than the sum of its proper divisors (1).

749937917 is an equidigital number, since it uses as much as digits as its factorization.

749937917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 56.

The square root of 749937917 is about 27384.9943764829. The cubic root of 749937917 is about 908.5352263248.

The spelling of 749937917 in words is "seven hundred forty-nine million, nine hundred thirty-seven thousand, nine hundred seventeen".