117725947 has 4 divisors (see below), whose sum is σ = 118336120. Its totient is φ = 117115776.

The previous prime is 117725917. The next prime is 117725953. The reversal of 117725947 is 749527711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117725947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117725917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304797 + ... + 305182.

It is an arithmetic number, because the mean of its divisors is an integer number (29584030).

Almost surely, 2^117725947 is an apocalyptic number.

117725947 is a deficient number, since it is larger than the sum of its proper divisors (610173).

117725947 is an equidigital number, since it uses as much as digits as its factorization.

117725947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610172.

The product of its digits is 123480, while the sum is 43.

The square root of 117725947 is about 10850.1588467635. The cubic root of 117725947 is about 490.1068030413.

The spelling of 117725947 in words is "one hundred seventeen million, seven hundred twenty-five thousand, nine hundred forty-seven".