75161117 has 4 divisors (see below), whose sum is σ = 75187200. Its totient is φ = 75135036.

The previous prime is 75161111. The next prime is 75161161. The reversal of 75161117 is 71116157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75161117 - 2⁴ = 75161101 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 75161117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75161111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8093 + ... + 14690.

It is an arithmetic number, because the mean of its divisors is an integer number (18796800).

Almost surely, 2^75161117 is an apocalyptic number.

It is an amenable number.

75161117 is a deficient number, since it is larger than the sum of its proper divisors (26083).

75161117 is a wasteful number, since it uses less digits than its factorization.

75161117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26082.

The product of its digits is 1470, while the sum is 29.

The square root of 75161117 is about 8669.5511417835. The cubic root of 75161117 is about 422.0180974247.

The spelling of 75161117 in words is "seventy-five million, one hundred sixty-one thousand, one hundred seventeen".