749598401 has 2 divisors, whose sum is σ = 749598402. Its totient is φ = 749598400.

The previous prime is 749598397. The next prime is 749598463. The reversal of 749598401 is 104895947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720868801 + 28729600 = 26849^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 749598401 - 2² = 749598397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (749598491) 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, 374799200 + 374799201.

It is an arithmetic number, because the mean of its divisors is an integer number (374799201).

Almost surely, 2^749598401 is an apocalyptic number.

It is an amenable number.

749598401 is a deficient number, since it is larger than the sum of its proper divisors (1).

749598401 is an equidigital number, since it uses as much as digits as its factorization.

749598401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 749598401 is about 27378.7947324202. The cubic root of 749598401 is about 908.3980999484.

The spelling of 749598401 in words is "seven hundred forty-nine million, five hundred ninety-eight thousand, four hundred one".