117738506 has 8 divisors (see below), whose sum is σ = 176669220. Its totient is φ = 58848768.

The previous prime is 117738461. The next prime is 117738529. The reversal of 117738506 is 605837711.

It can be written as a sum of positive squares in 2 ways, for example, as 114297481 + 3441025 = 10691^2 + 1855^2 .

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

It is a super-2 number, since 2×117738506² = 27724711590224072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117738506.

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, 1601 + ... + 15428.

Almost surely, 2^117738506 is an apocalyptic number.

117738506 is a deficient number, since it is larger than the sum of its proper divisors (58930714).

117738506 is a wasteful number, since it uses less digits than its factorization.

117738506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20488.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 117738506 is about 10850.7375786165. The cubic root of 117738506 is about 490.1242306139.

The spelling of 117738506 in words is "one hundred seventeen million, seven hundred thirty-eight thousand, five hundred six".