117698745 has 16 divisors (see below), whose sum is σ = 190048320. Its totient is φ = 62195904.

The previous prime is 117698729. The next prime is 117698747. The reversal of 117698745 is 547896711.

It is not a de Polignac number, because 117698745 - 2⁴ = 117698729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117698694 and 117698703.

It is not an unprimeable number, because it can be changed into a prime (117698747) 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, 34359 + ... + 37628.

It is an arithmetic number, because the mean of its divisors is an integer number (11878020).

Almost surely, 2^117698745 is an apocalyptic number.

117698745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117698745 is a deficient number, since it is larger than the sum of its proper divisors (72349575).

117698745 is a wasteful number, since it uses less digits than its factorization.

117698745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72104.

The product of its digits is 423360, while the sum is 48.

The square root of 117698745 is about 10848.9052443092. The cubic root of 117698745 is about 490.0690517708.

The spelling of 117698745 in words is "one hundred seventeen million, six hundred ninety-eight thousand, seven hundred forty-five".