117740225 has 6 divisors (see below), whose sum is σ = 145997910. Its totient is φ = 94192160.

The previous prime is 117740221. The next prime is 117740251. The reversal of 117740225 is 522047711.

It can be written as a sum of positive squares in 3 ways, for example, as 732736 + 117007489 = 856^2 + 10817^2 .

It is not a de Polignac number, because 117740225 - 2² = 117740221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117740221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2354780 + ... + 2354829.

It is an arithmetic number, because the mean of its divisors is an integer number (24332985).

Almost surely, 2^117740225 is an apocalyptic number.

It is an amenable number.

117740225 is a deficient number, since it is larger than the sum of its proper divisors (28257685).

117740225 is an equidigital number, since it uses as much as digits as its factorization.

117740225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709619 (or 4709614 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 117740225 is about 10850.8167895325. The cubic root of 117740225 is about 490.1266158983.

Adding to 117740225 its reverse (522047711), we get a palindrome (639787936).

The spelling of 117740225 in words is "one hundred seventeen million, seven hundred forty thousand, two hundred twenty-five".