75198379 has 2 divisors, whose sum is σ = 75198380. Its totient is φ = 75198378.

The previous prime is 75198367. The next prime is 75198401. The reversal of 75198379 is 97389157.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75198379 - 2⁹ = 75197867 is a prime.

It is not a weakly prime, because it can be changed into another prime (75198329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37599189 + 37599190.

It is an arithmetic number, because the mean of its divisors is an integer number (37599190).

Almost surely, 2^75198379 is an apocalyptic number.

75198379 is a deficient number, since it is larger than the sum of its proper divisors (1).

75198379 is an equidigital number, since it uses as much as digits as its factorization.

75198379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 49.

The square root of 75198379 is about 8671.6998910248. The cubic root of 75198379 is about 422.0878260337.

The spelling of 75198379 in words is "seventy-five million, one hundred ninety-eight thousand, three hundred seventy-nine".