1427307073 has 2 divisors, whose sum is σ = 1427307074. Its totient is φ = 1427307072.

The previous prime is 1427307059. The next prime is 1427307109. The reversal of 1427307073 is 3707037241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797949504 + 629357569 = 28248^2 + 25087^2 .

It is an emirp because it is prime and its reverse (3707037241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427307073 - 2¹³ = 1427298881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427307473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713653536 + 713653537.

It is an arithmetic number, because the mean of its divisors is an integer number (713653537).

Almost surely, 2^1427307073 is an apocalyptic number.

It is an amenable number.

1427307073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427307073 is an equidigital number, since it uses as much as digits as its factorization.

1427307073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 1427307073 is about 37779.7177464311. The cubic root of 1427307073 is about 1125.9155208903.

The spelling of 1427307073 in words is "one billion, four hundred twenty-seven million, three hundred seven thousand, seventy-three".