74431043 has 2 divisors, whose sum is σ = 74431044. Its totient is φ = 74431042.

The previous prime is 74431009. The next prime is 74431051. The reversal of 74431043 is 34013447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74431043 - 2¹⁰ = 74430019 is a prime.

It is not a weakly prime, because it can be changed into another prime (74431943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37215521 + 37215522.

It is an arithmetic number, because the mean of its divisors is an integer number (37215522).

Almost surely, 2^74431043 is an apocalyptic number.

74431043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74431043 is an equidigital number, since it uses as much as digits as its factorization.

74431043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 74431043 is about 8627.3427542900. The cubic root of 74431043 is about 420.6472314891.

The spelling of 74431043 in words is "seventy-four million, four hundred thirty-one thousand, forty-three".