117209732 has 12 divisors (see below), whose sum is σ = 205260300. Its totient is φ = 58563936.

The previous prime is 117209683. The next prime is 117209773. The reversal of 117209732 is 237902711.

It can be written as a sum of positive squares in 2 ways, for example, as 68293696 + 48916036 = 8264^2 + 6994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3263 + ... + 15654.

It is an arithmetic number, because the mean of its divisors is an integer number (17105025).

Almost surely, 2^117209732 is an apocalyptic number.

It is an amenable number.

117209732 is a deficient number, since it is larger than the sum of its proper divisors (88050568).

117209732 is a wasteful number, since it uses less digits than its factorization.

117209732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470 (or 20468 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 117209732 is about 10826.3443507031. The cubic root of 117209732 is about 489.3893990871.

The spelling of 117209732 in words is "one hundred seventeen million, two hundred nine thousand, seven hundred thirty-two".