749171 has 2 divisors, whose sum is σ = 749172. Its totient is φ = 749170.

The previous prime is 749167. The next prime is 749183. The reversal of 749171 is 171947.

It is a weak prime.

It is an emirp because it is prime and its reverse (171947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749171 - 2² = 749167 is a prime.

It is a super-2 number, since 2×749171² = 1122514374482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749471) 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, 374585 + 374586.

It is an arithmetic number, because the mean of its divisors is an integer number (374586).

2⁷⁴⁹¹⁷¹ is an apocalyptic number.

749171 is a deficient number, since it is larger than the sum of its proper divisors (1).

749171 is an equidigital number, since it uses as much as digits as its factorization.

749171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 29.

The square root of 749171 is about 865.5466480785. The cubic root of 749171 is about 90.8225419008.

The spelling of 749171 in words is "seven hundred forty-nine thousand, one hundred seventy-one".