75018829 has 2 divisors, whose sum is σ = 75018830. Its totient is φ = 75018828.

The previous prime is 75018809. The next prime is 75018863. The reversal of 75018829 is 92881057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60372900 + 14645929 = 7770^2 + 3827^2 .

It is a cyclic number.

It is not a de Polignac number, because 75018829 - 2¹⁵ = 74986061 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75018791 and 75018800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75018809) 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, 37509414 + 37509415.

It is an arithmetic number, because the mean of its divisors is an integer number (37509415).

Almost surely, 2^75018829 is an apocalyptic number.

It is an amenable number.

75018829 is a deficient number, since it is larger than the sum of its proper divisors (1).

75018829 is an equidigital number, since it uses as much as digits as its factorization.

75018829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 75018829 is about 8661.3410624452. The cubic root of 75018829 is about 421.7516207950.

The spelling of 75018829 in words is "seventy-five million, eighteen thousand, eight hundred twenty-nine".