74866427 has 2 divisors, whose sum is σ = 74866428. Its totient is φ = 74866426.

The previous prime is 74866423. The next prime is 74866469. The reversal of 74866427 is 72466847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74866427 - 2² = 74866423 is a prime.

It is not a weakly prime, because it can be changed into another prime (74866423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37433213 + 37433214.

It is an arithmetic number, because the mean of its divisors is an integer number (37433214).

Almost surely, 2^74866427 is an apocalyptic number.

74866427 is a deficient number, since it is larger than the sum of its proper divisors (1).

74866427 is an equidigital number, since it uses as much as digits as its factorization.

74866427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The square root of 74866427 is about 8652.5387603870. The cubic root of 74866427 is about 421.4658286975.

The spelling of 74866427 in words is "seventy-four million, eight hundred sixty-six thousand, four hundred twenty-seven".