75725099 has 2 divisors, whose sum is σ = 75725100. Its totient is φ = 75725098.

The previous prime is 75725081. The next prime is 75725101. The reversal of 75725099 is 99052757.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75725099 is a prime.

Together with 75725101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75725009) 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, 37862549 + 37862550.

It is an arithmetic number, because the mean of its divisors is an integer number (37862550).

Almost surely, 2^75725099 is an apocalyptic number.

75725099 is a deficient number, since it is larger than the sum of its proper divisors (1).

75725099 is an equidigital number, since it uses as much as digits as its factorization.

75725099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 75725099 is about 8702.0169501099. The cubic root of 75725099 is about 423.0710255614.

The spelling of 75725099 in words is "seventy-five million, seven hundred twenty-five thousand, ninety-nine".