749165357 has 2 divisors, whose sum is σ = 749165358. Its totient is φ = 749165356.

The previous prime is 749165317. The next prime is 749165359. The reversal of 749165357 is 753561947.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627702916 + 121462441 = 25054^2 + 11021^2 .

It is an emirp because it is prime and its reverse (753561947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749165357 - 2¹⁰ = 749164333 is a prime.

It is a super-2 number, since 2×749165357² = 1122497464257874898, which contains 22 as substring.

Together with 749165359, 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 (749165359) 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, 374582678 + 374582679.

It is an arithmetic number, because the mean of its divisors is an integer number (374582679).

Almost surely, 2^749165357 is an apocalyptic number.

It is an amenable number.

749165357 is a deficient number, since it is larger than the sum of its proper divisors (1).

749165357 is an equidigital number, since it uses as much as digits as its factorization.

749165357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 47.

The square root of 749165357 is about 27370.8852067302. The cubic root of 749165357 is about 908.2231386527.

The spelling of 749165357 in words is "seven hundred forty-nine million, one hundred sixty-five thousand, three hundred fifty-seven".