74820827 has 2 divisors, whose sum is σ = 74820828. Its totient is φ = 74820826.

The previous prime is 74820799. The next prime is 74820833. The reversal of 74820827 is 72802847.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74820827 - 2¹⁰ = 74819803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74820847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37410413 + 37410414.

It is an arithmetic number, because the mean of its divisors is an integer number (37410414).

Almost surely, 2^74820827 is an apocalyptic number.

74820827 is a deficient number, since it is larger than the sum of its proper divisors (1).

74820827 is an equidigital number, since it uses as much as digits as its factorization.

74820827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 74820827 is about 8649.9032942571. The cubic root of 74820827 is about 421.3802418470.

The spelling of 74820827 in words is "seventy-four million, eight hundred twenty thousand, eight hundred twenty-seven".