75424003 has 2 divisors, whose sum is σ = 75424004. Its totient is φ = 75424002.

The previous prime is 75423989. The next prime is 75424033. The reversal of 75424003 is 30042457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75424003 - 2¹³ = 75415811 is a prime.

It is not a weakly prime, because it can be changed into another prime (75424033) 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, 37712001 + 37712002.

It is an arithmetic number, because the mean of its divisors is an integer number (37712002).

Almost surely, 2^75424003 is an apocalyptic number.

75424003 is a deficient number, since it is larger than the sum of its proper divisors (1).

75424003 is an equidigital number, since it uses as much as digits as its factorization.

75424003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 75424003 is about 8684.6993615208. The cubic root of 75424003 is about 422.5095463688.

The spelling of 75424003 in words is "seventy-five million, four hundred twenty-four thousand, three".