117734381 has 2 divisors, whose sum is σ = 117734382. Its totient is φ = 117734380.

The previous prime is 117734377. The next prime is 117734399. The reversal of 117734381 is 183437711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 11881 = 10850^2 + 109^2 .

It is an emirp because it is prime and its reverse (183437711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117734381 - 2² = 117734377 is a prime.

It is a super-2 number, since 2×117734381² = 27722768938906322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117734321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58867190 + 58867191.

It is an arithmetic number, because the mean of its divisors is an integer number (58867191).

Almost surely, 2^117734381 is an apocalyptic number.

It is an amenable number.

117734381 is a deficient number, since it is larger than the sum of its proper divisors (1).

117734381 is an equidigital number, since it uses as much as digits as its factorization.

117734381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 117734381 is about 10850.5474977072. The cubic root of 117734381 is about 490.1185066693.

The spelling of 117734381 in words is "one hundred seventeen million, seven hundred thirty-four thousand, three hundred eighty-one".