75400099 has 2 divisors, whose sum is σ = 75400100. Its totient is φ = 75400098.

The previous prime is 75400097. The next prime is 75400111. The reversal of 75400099 is 99000457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75400099 - 2¹ = 75400097 is a prime.

Together with 75400097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (75400097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37700049 + 37700050.

It is an arithmetic number, because the mean of its divisors is an integer number (37700050).

Almost surely, 2^75400099 is an apocalyptic number.

75400099 is a deficient number, since it is larger than the sum of its proper divisors (1).

75400099 is an equidigital number, since it uses as much as digits as its factorization.

75400099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 75400099 is about 8683.3230390214. The cubic root of 75400099 is about 422.4649065771.

The spelling of 75400099 in words is "seventy-five million, four hundred thousand, ninety-nine".