75616117 has 4 divisors (see below), whose sum is σ = 75749580. Its totient is φ = 75482656.

The previous prime is 75616109. The next prime is 75616127. The reversal of 75616117 is 71161657.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71161657 = 7 ⋅10165951.

It can be written as a sum of positive squares in 2 ways, for example, as 44635761 + 30980356 = 6681^2 + 5566^2 .

It is a cyclic number.

It is not a de Polignac number, because 75616117 - 2³ = 75616109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75616127) 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, 65878 + ... + 67015.

It is an arithmetic number, because the mean of its divisors is an integer number (18937395).

Almost surely, 2^75616117 is an apocalyptic number.

It is an amenable number.

75616117 is a deficient number, since it is larger than the sum of its proper divisors (133463).

75616117 is a wasteful number, since it uses less digits than its factorization.

75616117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133462.

The product of its digits is 8820, while the sum is 34.

The square root of 75616117 is about 8695.7528138741. The cubic root of 75616117 is about 422.8679697554.

The spelling of 75616117 in words is "seventy-five million, six hundred sixteen thousand, one hundred seventeen".