117072647 has 8 divisors (see below), whose sum is σ = 122209920. Its totient is φ = 112020480.

The previous prime is 117072619. The next prime is 117072653. The reversal of 117072647 is 746270711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117072647 - 2⁶ = 117072583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117072607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18458 + ... + 23975.

It is an arithmetic number, because the mean of its divisors is an integer number (15276240).

Almost surely, 2^117072647 is an apocalyptic number.

117072647 is a deficient number, since it is larger than the sum of its proper divisors (5137273).

117072647 is an equidigital number, since it uses as much as digits as its factorization.

117072647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42553.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 117072647 is about 10820.0114140420. The cubic root of 117072647 is about 489.1985329183.

The spelling of 117072647 in words is "one hundred seventeen million, seventy-two thousand, six hundred forty-seven".