75694889 has 2 divisors, whose sum is σ = 75694890. Its totient is φ = 75694888.

The previous prime is 75694873. The next prime is 75694973. The reversal of 75694889 is 98849657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 5721664 = 8365^2 + 2392^2 .

It is a cyclic number.

It is not a de Polignac number, because 75694889 - 2⁴ = 75694873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75694189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37847444 + 37847445.

It is an arithmetic number, because the mean of its divisors is an integer number (37847445).

Almost surely, 2^75694889 is an apocalyptic number.

It is an amenable number.

75694889 is a deficient number, since it is larger than the sum of its proper divisors (1).

75694889 is an equidigital number, since it uses as much as digits as its factorization.

75694889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The square root of 75694889 is about 8700.2809724744. The cubic root of 75694889 is about 423.0147576667.

The spelling of 75694889 in words is "seventy-five million, six hundred ninety-four thousand, eight hundred eighty-nine".