749401 has 2 divisors, whose sum is σ = 749402. Its totient is φ = 749400.

The previous prime is 749393. The next prime is 749423. The reversal of 749401 is 104947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 9801 = 860^2 + 99^2 .

It is an emirp because it is prime and its reverse (104947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749401 - 2³ = 749393 is a prime.

749401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (749431) 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, 374700 + 374701.

It is an arithmetic number, because the mean of its divisors is an integer number (374701).

2⁷⁴⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

749401 is a deficient number, since it is larger than the sum of its proper divisors (1).

749401 is an equidigital number, since it uses as much as digits as its factorization.

749401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 749401 is about 865.6795018943. The cubic root of 749401 is about 90.8318353053.

The spelling of 749401 in words is "seven hundred forty-nine thousand, four hundred one".