117640704 has 160 divisors (see below), whose sum is σ = 343728000. Its totient is φ = 35610624.

The previous prime is 117640693. The next prime is 117640709. The reversal of 117640704 is 407046711.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117640709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846267 + ... + 846405.

It is an arithmetic number, because the mean of its divisors is an integer number (2148300).

Almost surely, 2^117640704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117640704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171864000).

117640704 is an abundant number, since it is smaller than the sum of its proper divisors (226087296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117640704 is a wasteful number, since it uses less digits than its factorization.

117640704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 117640704 is about 10846.2299440866. The cubic root of 117640704 is about 489.9884823060.

The spelling of 117640704 in words is "one hundred seventeen million, six hundred forty thousand, seven hundred four".