75403429 has 2 divisors, whose sum is σ = 75403430. Its totient is φ = 75403428.

The previous prime is 75403423. The next prime is 75403459. The reversal of 75403429 is 92430457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72080100 + 3323329 = 8490^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 75403429 - 2⁵ = 75403397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75403394 and 75403403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75403423) 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, 37701714 + 37701715.

It is an arithmetic number, because the mean of its divisors is an integer number (37701715).

Almost surely, 2^75403429 is an apocalyptic number.

It is an amenable number.

75403429 is a deficient number, since it is larger than the sum of its proper divisors (1).

75403429 is an equidigital number, since it uses as much as digits as its factorization.

75403429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 75403429 is about 8683.5147837728. The cubic root of 75403429 is about 422.4711257884.

The spelling of 75403429 in words is "seventy-five million, four hundred three thousand, four hundred twenty-nine".