75264197 has 2 divisors, whose sum is σ = 75264198. Its totient is φ = 75264196.

The previous prime is 75264139. The next prime is 75264199. The reversal of 75264197 is 79146257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75238276 + 25921 = 8674^2 + 161^2 .

It is an emirp because it is prime and its reverse (79146257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75264197 - 2⁸ = 75263941 is a prime.

Together with 75264199, 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 (75264199) 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, 37632098 + 37632099.

It is an arithmetic number, because the mean of its divisors is an integer number (37632099).

Almost surely, 2^75264197 is an apocalyptic number.

It is an amenable number.

75264197 is a deficient number, since it is larger than the sum of its proper divisors (1).

75264197 is an equidigital number, since it uses as much as digits as its factorization.

75264197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 75264197 is about 8675.4940493323. The cubic root of 75264197 is about 422.2109354041.

The spelling of 75264197 in words is "seventy-five million, two hundred sixty-four thousand, one hundred ninety-seven".