75538499 has 2 divisors, whose sum is σ = 75538500. Its totient is φ = 75538498.

The previous prime is 75538453. The next prime is 75538511. The reversal of 75538499 is 99483557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75538499 - 2²⁰ = 74489923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75538439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37769249 + 37769250.

It is an arithmetic number, because the mean of its divisors is an integer number (37769250).

Almost surely, 2^75538499 is an apocalyptic number.

75538499 is a deficient number, since it is larger than the sum of its proper divisors (1).

75538499 is an equidigital number, since it uses as much as digits as its factorization.

75538499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The square root of 75538499 is about 8691.2886846543. The cubic root of 75538499 is about 422.7232325215.

The spelling of 75538499 in words is "seventy-five million, five hundred thirty-eight thousand, four hundred ninety-nine".