75604157 has 2 divisors, whose sum is σ = 75604158. Its totient is φ = 75604156.

The previous prime is 75604093. The next prime is 75604159. The reversal of 75604157 is 75140657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 5480281 = 8374^2 + 2341^2 .

It is an emirp because it is prime and its reverse (75140657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75604157 - 2⁶ = 75604093 is a prime.

Together with 75604159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75604159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37802078 + 37802079.

It is an arithmetic number, because the mean of its divisors is an integer number (37802079).

Almost surely, 2^75604157 is an apocalyptic number.

It is an amenable number.

75604157 is a deficient number, since it is larger than the sum of its proper divisors (1).

75604157 is an equidigital number, since it uses as much as digits as its factorization.

75604157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 75604157 is about 8695.0650946385. The cubic root of 75604157 is about 422.8456739461.

The spelling of 75604157 in words is "seventy-five million, six hundred four thousand, one hundred fifty-seven".