117643725 has 48 divisors (see below), whose sum is σ = 227515200. Its totient is φ = 59434560.

The previous prime is 117643717. The next prime is 117643727. The reversal of 117643725 is 527346711.

It is a happy number.

117643725 is a `hidden beast` number, since 1 + 1 + 7 + 643 + 7 + 2 + 5 = 666.

It is not a de Polignac number, because 117643725 - 2³ = 117643717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117643725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117643727) 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 47 ways as a sum of consecutive naturals, for example, 8239 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (4739900).

Almost surely, 2^117643725 is an apocalyptic number.

117643725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117643725 is a deficient number, since it is larger than the sum of its proper divisors (109871475).

117643725 is a wasteful number, since it uses less digits than its factorization.

117643725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211 (or 9200 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 117643725 is about 10846.3692081728. The cubic root of 117643725 is about 489.9926765530.

The spelling of 117643725 in words is "one hundred seventeen million, six hundred forty-three thousand, seven hundred twenty-five".