75688081 has 16 divisors (see below), whose sum is σ = 90989568. Its totient is φ = 61588800.

The previous prime is 75688073. The next prime is 75688103. The reversal of 75688081 is 18088657.

It is not a de Polignac number, because 75688081 - 2³ = 75688073 is a prime.

It is a super-2 number, since 2×75688081² = 11457371210925122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75688061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8211 + ... + 14791.

It is an arithmetic number, because the mean of its divisors is an integer number (5686848).

Almost surely, 2^75688081 is an apocalyptic number.

It is an amenable number.

75688081 is a deficient number, since it is larger than the sum of its proper divisors (15301487).

75688081 is a wasteful number, since it uses less digits than its factorization.

75688081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 75688081 is about 8699.8897119446. The cubic root of 75688081 is about 423.0020753009.

The spelling of 75688081 in words is "seventy-five million, six hundred eighty-eight thousand, eighty-one".