74472043 has 2 divisors, whose sum is σ = 74472044. Its totient is φ = 74472042.

The previous prime is 74471993. The next prime is 74472071. The reversal of 74472043 is 34027447.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74472043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74471996 and 74472014.

It is not a weakly prime, because it can be changed into another prime (74472743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236021 + 37236022.

It is an arithmetic number, because the mean of its divisors is an integer number (37236022).

Almost surely, 2^74472043 is an apocalyptic number.

74472043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74472043 is an equidigital number, since it uses as much as digits as its factorization.

74472043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 74472043 is about 8629.7185933262. The cubic root of 74472043 is about 420.7244545134.

The spelling of 74472043 in words is "seventy-four million, four hundred seventy-two thousand, forty-three".