74806117 has 2 divisors, whose sum is σ = 74806118. Its totient is φ = 74806116.

The previous prime is 74806091. The next prime is 74806129. The reversal of 74806117 is 71160847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46226401 + 28579716 = 6799^2 + 5346^2 .

It is a cyclic number.

It is not a de Polignac number, because 74806117 - 2¹¹ = 74804069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74806177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37403058 + 37403059.

It is an arithmetic number, because the mean of its divisors is an integer number (37403059).

Almost surely, 2^74806117 is an apocalyptic number.

It is an amenable number.

74806117 is a deficient number, since it is larger than the sum of its proper divisors (1).

74806117 is an equidigital number, since it uses as much as digits as its factorization.

74806117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 74806117 is about 8649.0529539366. The cubic root of 74806117 is about 421.3526251621.

The spelling of 74806117 in words is "seventy-four million, eight hundred six thousand, one hundred seventeen".