75000881 has 2 divisors, whose sum is σ = 75000882. Its totient is φ = 75000880.

The previous prime is 75000853. The next prime is 75000899. The reversal of 75000881 is 18800057.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 2835856 = 8495^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 75000881 - 2⁶ = 75000817 is a prime.

It is a super-2 number, since 2×75000881² = 11250264301552322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (75000841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37500440 + 37500441.

It is an arithmetic number, because the mean of its divisors is an integer number (37500441).

Almost surely, 2^75000881 is an apocalyptic number.

It is an amenable number.

75000881 is a deficient number, since it is larger than the sum of its proper divisors (1).

75000881 is an equidigital number, since it uses as much as digits as its factorization.

75000881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 75000881 is about 8660.3049022537. The cubic root of 75000881 is about 421.7179838981.

The spelling of 75000881 in words is "seventy-five million, eight hundred eighty-one", and thus it is an aban number.