117756172 has 6 divisors (see below), whose sum is σ = 206073308. Its totient is φ = 58878084.

The previous prime is 117756131. The next prime is 117756173. The reversal of 117756172 is 271657711.

It is not an unprimeable number, because it can be changed into a prime (117756173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14719518 + ... + 14719525.

Almost surely, 2^117756172 is an apocalyptic number.

It is an amenable number.

117756172 is a deficient number, since it is larger than the sum of its proper divisors (88317136).

117756172 is a wasteful number, since it uses less digits than its factorization.

117756172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29439047 (or 29439045 counting only the distinct ones).

The product of its digits is 20580, while the sum is 37.

The square root of 117756172 is about 10851.5515941270. The cubic root of 117756172 is about 490.1487428485.

The spelling of 117756172 in words is "one hundred seventeen million, seven hundred fifty-six thousand, one hundred seventy-two".