74854123 has 2 divisors, whose sum is σ = 74854124. Its totient is φ = 74854122.

The previous prime is 74854061. The next prime is 74854147. The reversal of 74854123 is 32145847.

It is a strong prime.

It is an emirp because it is prime and its reverse (32145847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74854123 is a prime.

It is not a weakly prime, because it can be changed into another prime (74854163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37427061 + 37427062.

It is an arithmetic number, because the mean of its divisors is an integer number (37427062).

Almost surely, 2^74854123 is an apocalyptic number.

74854123 is a deficient number, since it is larger than the sum of its proper divisors (1).

74854123 is an equidigital number, since it uses as much as digits as its factorization.

74854123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 74854123 is about 8651.8277259779. The cubic root of 74854123 is about 421.4427386874.

The spelling of 74854123 in words is "seventy-four million, eight hundred fifty-four thousand, one hundred twenty-three".