74200043 has 2 divisors, whose sum is σ = 74200044. Its totient is φ = 74200042.

The previous prime is 74200033. The next prime is 74200057. The reversal of 74200043 is 34000247.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34000247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74200043 - 2²⁶ = 7091179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74199988 and 74200024.

It is not a weakly prime, because it can be changed into another prime (74200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37100021 + 37100022.

It is an arithmetic number, because the mean of its divisors is an integer number (37100022).

Almost surely, 2^74200043 is an apocalyptic number.

74200043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74200043 is an equidigital number, since it uses as much as digits as its factorization.

74200043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 74200043 is about 8613.9446828964. The cubic root of 74200043 is about 420.2116148274.

The spelling of 74200043 in words is "seventy-four million, two hundred thousand, forty-three".