117974738 has 8 divisors (see below), whose sum is σ = 202242432. Its totient is φ = 50560596.

The previous prime is 117974723. The next prime is 117974749. The reversal of 117974738 is 837479711.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 117974692 and 117974701.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4213370 + ... + 4213397.

It is an arithmetic number, because the mean of its divisors is an integer number (25280304).

Almost surely, 2^117974738 is an apocalyptic number.

117974738 is a deficient number, since it is larger than the sum of its proper divisors (84267694).

117974738 is an equidigital number, since it uses as much as digits as its factorization.

117974738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426776.

The product of its digits is 296352, while the sum is 47.

The square root of 117974738 is about 10861.6176511604. The cubic root of 117974738 is about 490.4518087394.

The spelling of 117974738 in words is "one hundred seventeen million, nine hundred seventy-four thousand, seven hundred thirty-eight".