117544725 has 36 divisors (see below), whose sum is σ = 214529796. Its totient is φ = 61501440.

The previous prime is 117544717. The next prime is 117544727. The reversal of 117544725 is 527445711.

It can be written as a sum of positive squares in 6 ways, for example, as 1034289 + 116510436 = 1017^2 + 10794^2 .

It is not a de Polignac number, because 117544725 - 2³ = 117544717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117544725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117544727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6997 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (5959161).

Almost surely, 2^117544725 is an apocalyptic number.

117544725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117544725 is a deficient number, since it is larger than the sum of its proper divisors (96985071).

117544725 is a wasteful number, since it uses less digits than its factorization.

117544725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926 (or 9918 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 117544725 is about 10841.8045084755. The cubic root of 117544725 is about 489.8551911394.

The spelling of 117544725 in words is "one hundred seventeen million, five hundred forty-four thousand, seven hundred twenty-five".