75484429 has 2 divisors, whose sum is σ = 75484430. Its totient is φ = 75484428.

The previous prime is 75484391. The next prime is 75484441. The reversal of 75484429 is 92448457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73496329 + 1988100 = 8573^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 75484429 - 2¹⁹ = 74960141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75484469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37742214 + 37742215.

It is an arithmetic number, because the mean of its divisors is an integer number (37742215).

Almost surely, 2^75484429 is an apocalyptic number.

It is an amenable number.

75484429 is a deficient number, since it is larger than the sum of its proper divisors (1).

75484429 is an equidigital number, since it uses as much as digits as its factorization.

75484429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 75484429 is about 8688.1775419244. The cubic root of 75484429 is about 422.6223475370.

The spelling of 75484429 in words is "seventy-five million, four hundred eighty-four thousand, four hundred twenty-nine".