75908161 has 8 divisors (see below), whose sum is σ = 88223040. Its totient is φ = 63961008.

The previous prime is 75908123. The next prime is 75908171. The reversal of 75908161 is 16180957.

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 75908161 - 2⁷ = 75908033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75908161.

It is not an unprimeable number, because it can be changed into a prime (75908171) 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, 91486 + ... + 92311.

It is an arithmetic number, because the mean of its divisors is an integer number (11027880).

Almost surely, 2^75908161 is an apocalyptic number.

It is an amenable number.

75908161 is a deficient number, since it is larger than the sum of its proper divisors (12314879).

75908161 is a wasteful number, since it uses less digits than its factorization.

75908161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183863.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 75908161 is about 8712.5289669533. The cubic root of 75908161 is about 423.4116695644.

It can be divided in two parts, 7590 and 8161, that added together give a palindrome (15751).

The spelling of 75908161 in words is "seventy-five million, nine hundred eight thousand, one hundred sixty-one".