74854379 has 2 divisors, whose sum is σ = 74854380. Its totient is φ = 74854378.

The previous prime is 74854369. The next prime is 74854387. The reversal of 74854379 is 97345847.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74854379 - 2⁸ = 74854123 is a prime.

It is not a weakly prime, because it can be changed into another prime (74854309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37427189 + 37427190.

It is an arithmetic number, because the mean of its divisors is an integer number (37427190).

Almost surely, 2^74854379 is an apocalyptic number.

74854379 is a deficient number, since it is larger than the sum of its proper divisors (1).

74854379 is an equidigital number, since it uses as much as digits as its factorization.

74854379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 74854379 is about 8651.8425205271. The cubic root of 74854379 is about 421.4432191295.

The spelling of 74854379 in words is "seventy-four million, eight hundred fifty-four thousand, three hundred seventy-nine".