74427127 has 2 divisors, whose sum is σ = 74427128. Its totient is φ = 74427126.

The previous prime is 74427107. The next prime is 74427163. The reversal of 74427127 is 72172447.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74427127 - 2¹⁹ = 73902839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74427092 and 74427101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74427107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37213563 + 37213564.

It is an arithmetic number, because the mean of its divisors is an integer number (37213564).

Almost surely, 2^74427127 is an apocalyptic number.

74427127 is a deficient number, since it is larger than the sum of its proper divisors (1).

74427127 is an equidigital number, since it uses as much as digits as its factorization.

74427127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21952, while the sum is 34.

The square root of 74427127 is about 8627.1157984578. The cubic root of 74427127 is about 420.6398542650.

The spelling of 74427127 in words is "seventy-four million, four hundred twenty-seven thousand, one hundred twenty-seven".