117734642 has 4 divisors (see below), whose sum is σ = 176601966. Its totient is φ = 58867320.

The previous prime is 117734641. The next prime is 117734647. The reversal of 117734642 is 246437711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246437711 = 13 ⋅18956747.

It can be written as a sum of positive squares in only one way, i.e., 65302561 + 52432081 = 8081^2 + 7241^2 .

It is a super-2 number, since 2×117734642² = 27722891853736328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117734641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29433659 + ... + 29433662.

Almost surely, 2^117734642 is an apocalyptic number.

117734642 is a deficient number, since it is larger than the sum of its proper divisors (58867324).

117734642 is an equidigital number, since it uses as much as digits as its factorization.

117734642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58867323.

The product of its digits is 28224, while the sum is 35.

The square root of 117734642 is about 10850.5595247434. The cubic root of 117734642 is about 490.1188688429.

The spelling of 117734642 in words is "one hundred seventeen million, seven hundred thirty-four thousand, six hundred forty-two".