117742210 has 8 divisors (see below), whose sum is σ = 211935996. Its totient is φ = 47096880.

The previous prime is 117742199. The next prime is 117742231. The reversal of 117742210 is 12247711.

It can be written as a sum of positive squares in 2 ways, for example, as 117310561 + 431649 = 10831^2 + 657^2 .

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

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, 5887101 + ... + 5887120.

Almost surely, 2^117742210 is an apocalyptic number.

117742210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117742210 is a deficient number, since it is larger than the sum of its proper divisors (94193786).

117742210 is a wasteful number, since it uses less digits than its factorization.

117742210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774228.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 117742210 is about 10850.9082569156. The cubic root of 117742210 is about 490.1293702554.

Subtracting from 117742210 its sum of digits (25), we obtain a triangular number (117742185 = T₁₅₃₄₅).

Adding to 117742210 its reverse (12247711), we get a palindrome (129989921).

The spelling of 117742210 in words is "one hundred seventeen million, seven hundred forty-two thousand, two hundred ten".