747401 has 2 divisors, whose sum is σ = 747402.
Its totient is φ = 747400.
The previous prime is 747391. The next prime is 747407. The reversal of 747401 is 104747.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 697225 + 50176 = 835^2 + 224^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-747401 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (747407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373700 + 373701.
It is an arithmetic number, because the mean of its divisors is an integer number (373701).
2747401 is an apocalyptic number.
It is an amenable number.
747401 is a deficient number, since it is larger than the sum of its proper divisors (1).
747401 is an equidigital number, since it uses as much as digits as its factorization.
747401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 784, while the sum is 23.
The square root of 747401 is about 864.5235682155.
The cubic root of 747401 is about 90.7509593708.
The spelling of 747401 in words is "seven hundred forty-seven thousand, four hundred one", and thus it is an iban number.