74093843 has 2 divisors, whose sum is σ = 74093844. Its totient is φ = 74093842.

The previous prime is 74093827. The next prime is 74093861. The reversal of 74093843 is 34839047.

It is a weak prime.

It is an emirp because it is prime and its reverse (34839047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74093843 - 2⁴ = 74093827 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 74093797 and 74093806.

It is not a weakly prime, because it can be changed into another prime (74093543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37046921 + 37046922.

It is an arithmetic number, because the mean of its divisors is an integer number (37046922).

Almost surely, 2^74093843 is an apocalyptic number.

74093843 is a deficient number, since it is larger than the sum of its proper divisors (1).

74093843 is an equidigital number, since it uses as much as digits as its factorization.

74093843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 74093843 is about 8607.7780524361. The cubic root of 74093843 is about 420.0110409040.

The spelling of 74093843 in words is "seventy-four million, ninety-three thousand, eight hundred forty-three".