75685901 has 2 divisors, whose sum is σ = 75685902. Its totient is φ = 75685900.

The previous prime is 75685879. The next prime is 75685927. The reversal of 75685901 is 10958657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64802500 + 10883401 = 8050^2 + 3299^2 .

It is an emirp because it is prime and its reverse (10958657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75685901 - 2¹⁰ = 75684877 is a prime.

It is a super-2 number, since 2×75685901² = 11456711220363602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75685991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37842950 + 37842951.

It is an arithmetic number, because the mean of its divisors is an integer number (37842951).

Almost surely, 2^75685901 is an apocalyptic number.

It is an amenable number.

75685901 is a deficient number, since it is larger than the sum of its proper divisors (1).

75685901 is an equidigital number, since it uses as much as digits as its factorization.

75685901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 75685901 is about 8699.7644220979. The cubic root of 75685901 is about 422.9980141006.

The spelling of 75685901 in words is "seventy-five million, six hundred eighty-five thousand, nine hundred one".