75378103 has 2 divisors, whose sum is σ = 75378104. Its totient is φ = 75378102.

The previous prime is 75378101. The next prime is 75378113. The reversal of 75378103 is 30187357.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75378103 - 2¹ = 75378101 is a prime.

Together with 75378101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75378101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37689051 + 37689052.

It is an arithmetic number, because the mean of its divisors is an integer number (37689052).

Almost surely, 2^75378103 is an apocalyptic number.

75378103 is a deficient number, since it is larger than the sum of its proper divisors (1).

75378103 is an equidigital number, since it uses as much as digits as its factorization.

75378103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 75378103 is about 8682.0563808351. The cubic root of 75378103 is about 422.4238215654.

The spelling of 75378103 in words is "seventy-five million, three hundred seventy-eight thousand, one hundred three".