90174017 has 8 divisors (see below), whose sum is σ = 90873000. Its totient is φ = 89478144.

The previous prime is 90174011. The next prime is 90174023. The reversal of 90174017 is 71047109.

It is a Cunningham number, because it is equal to 9496²+1.

It is an interprime number because it is at equal distance from previous prime (90174011) and next prime (90174023).

It can be written as a sum of positive squares in 4 ways, for example, as 55115776 + 35058241 = 7424^2 + 5921^2 .

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 90174017 - 2⁶ = 90173953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90174011) 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, 102383 + ... + 103259.

It is an arithmetic number, because the mean of its divisors is an integer number (11359125).

Almost surely, 2^90174017 is an apocalyptic number.

It is an amenable number.

90174017 is a deficient number, since it is larger than the sum of its proper divisors (698983).

90174017 is a wasteful number, since it uses less digits than its factorization.

90174017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 90174017 is about 9496.0000526537. Note that the first 4 decimals coincide. The cubic root of 90174017 is about 448.4291185579.

The spelling of 90174017 in words is "ninety million, one hundred seventy-four thousand, seventeen".