75344197 has 2 divisors, whose sum is σ = 75344198. Its totient is φ = 75344196.

The previous prime is 75344141. The next prime is 75344201. The reversal of 75344197 is 79144357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 36978561 = 6194^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 75344197 - 2⁷ = 75344069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75344497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37672098 + 37672099.

It is an arithmetic number, because the mean of its divisors is an integer number (37672099).

Almost surely, 2^75344197 is an apocalyptic number.

It is an amenable number.

75344197 is a deficient number, since it is larger than the sum of its proper divisors (1).

75344197 is an equidigital number, since it uses as much as digits as its factorization.

75344197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 75344197 is about 8680.1035132077. The cubic root of 75344197 is about 422.3604749189.

The spelling of 75344197 in words is "seventy-five million, three hundred forty-four thousand, one hundred ninety-seven".