117307739 has 2 divisors, whose sum is σ = 117307740. Its totient is φ = 117307738.

The previous prime is 117307733. The next prime is 117307759. The reversal of 117307739 is 937703711.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117307739 is a prime.

It is a super-2 number, since 2×117307739² = 27522211258584242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117307733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58653869 + 58653870.

It is an arithmetic number, because the mean of its divisors is an integer number (58653870).

Almost surely, 2^117307739 is an apocalyptic number.

117307739 is a deficient number, since it is larger than the sum of its proper divisors (1).

117307739 is an equidigital number, since it uses as much as digits as its factorization.

117307739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 38.

The square root of 117307739 is about 10830.8697250036. The cubic root of 117307739 is about 489.5257649664.

The spelling of 117307739 in words is "one hundred seventeen million, three hundred seven thousand, seven hundred thirty-nine".