117517730 has 16 divisors (see below), whose sum is σ = 230762304. Its totient is φ = 42733680.

The previous prime is 117517727. The next prime is 117517739. The reversal of 117517730 is 37715711.

It is not an unprimeable number, because it can be changed into a prime (117517739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534062 + ... + 534281.

It is an arithmetic number, because the mean of its divisors is an integer number (14422644).

Almost surely, 2^117517730 is an apocalyptic number.

117517730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117517730 is a deficient number, since it is larger than the sum of its proper divisors (113244574).

117517730 is a wasteful number, since it uses less digits than its factorization.

117517730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068361.

The product of its (nonzero) digits is 5145, while the sum is 32.

The square root of 117517730 is about 10840.5594874065. The cubic root of 117517730 is about 489.8176886673.

The spelling of 117517730 in words is "one hundred seventeen million, five hundred seventeen thousand, seven hundred thirty".