747427 has 2 divisors, whose sum is σ = 747428. Its totient is φ = 747426.

The previous prime is 747421. The next prime is 747449. The reversal of 747427 is 724747.

It is a weak prime.

It is an emirp because it is prime and its reverse (724747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747427 - 2¹¹ = 745379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (747421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373713 + 373714.

It is an arithmetic number, because the mean of its divisors is an integer number (373714).

2⁷⁴⁷⁴²⁷ is an apocalyptic number.

747427 is a deficient number, since it is larger than the sum of its proper divisors (1).

747427 is an equidigital number, since it uses as much as digits as its factorization.

747427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10976, while the sum is 31.

The square root of 747427 is about 864.5386052687. The cubic root of 747427 is about 90.7520116830.

The spelling of 747427 in words is "seven hundred forty-seven thousand, four hundred twenty-seven", and thus it is an iban number.