74511427 has 2 divisors, whose sum is σ = 74511428. Its totient is φ = 74511426.

The previous prime is 74511413. The next prime is 74511433. The reversal of 74511427 is 72411547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74511427 - 2¹⁹ = 73987139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74517427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37255713 + 37255714.

It is an arithmetic number, because the mean of its divisors is an integer number (37255714).

Almost surely, 2^74511427 is an apocalyptic number.

74511427 is a deficient number, since it is larger than the sum of its proper divisors (1).

74511427 is an equidigital number, since it uses as much as digits as its factorization.

74511427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 74511427 is about 8632.0001737720. Note that the first 3 decimals coincide. The cubic root of 74511427 is about 420.7986071358.

The spelling of 74511427 in words is "seventy-four million, five hundred eleven thousand, four hundred twenty-seven".