75878141 has 2 divisors, whose sum is σ = 75878142. Its totient is φ = 75878140.

The previous prime is 75878129. The next prime is 75878147. The reversal of 75878141 is 14187857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65772100 + 10106041 = 8110^2 + 3179^2 .

It is a cyclic number.

It is not a de Polignac number, because 75878141 - 2¹⁰ = 75877117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75878147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37939070 + 37939071.

It is an arithmetic number, because the mean of its divisors is an integer number (37939071).

Almost surely, 2^75878141 is an apocalyptic number.

It is an amenable number.

75878141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75878141 is an equidigital number, since it uses as much as digits as its factorization.

75878141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 41.

The square root of 75878141 is about 8710.8059902629. The cubic root of 75878141 is about 423.3558455523.

The spelling of 75878141 in words is "seventy-five million, eight hundred seventy-eight thousand, one hundred forty-one".