75116881 has 8 divisors (see below), whose sum is σ = 86234624. Its totient is φ = 64095840.

The previous prime is 75116869. The next prime is 75116887. The reversal of 75116881 is 18861157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75116881 - 2¹⁹ = 74592593 is a prime.

It is a super-2 number, since 2×75116881² = 11285091622336322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75116881.

It is not an unprimeable number, because it can be changed into a prime (75116887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22500 + ... + 25621.

It is an arithmetic number, because the mean of its divisors is an integer number (10779328).

Almost surely, 2^75116881 is an apocalyptic number.

It is an amenable number.

75116881 is a deficient number, since it is larger than the sum of its proper divisors (11117743).

75116881 is a wasteful number, since it uses less digits than its factorization.

75116881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48351.

The product of its digits is 13440, while the sum is 37.

The square root of 75116881 is about 8666.9995384793. Note that the first 3 decimals coincide. The cubic root of 75116881 is about 421.9352884009.

The spelling of 75116881 in words is "seventy-five million, one hundred sixteen thousand, eight hundred eighty-one".