117874449 has 81 divisors (see below), whose sum is σ = 222434121. Its totient is φ = 59930640.

The previous prime is 117874439. The next prime is 117874451. The reversal of 117874449 is 944478711.

117874449 = 172² + 173² + ... + 710².

It is a happy number.

The square root of 117874449 is 10857.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 117874449 - 2⁵ = 117874417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117874439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2507944 + ... + 2507990.

Almost surely, 2^117874449 is an apocalyptic number.

117874449 is the 10857-th square number.

117874449 is the 5429-th centered octagonal number.

It is an amenable number.

117874449 is a deficient number, since it is larger than the sum of its proper divisors (104559672).

117874449 is a wasteful number, since it uses less digits than its factorization.

117874449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 68 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The cubic root of 117874449 is about 490.3127934818.

The spelling of 117874449 in words is "one hundred seventeen million, eight hundred seventy-four thousand, four hundred forty-nine".