117765741 has 4 divisors (see below), whose sum is σ = 157020992. Its totient is φ = 78510492.

The previous prime is 117765737. The next prime is 117765761. The reversal of 117765741 is 147567711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 147567711 = 3 ⋅49189237.

It is not a de Polignac number, because 117765741 - 2² = 117765737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117765741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117765721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19627621 + ... + 19627626.

It is an arithmetic number, because the mean of its divisors is an integer number (39255248).

Almost surely, 2^117765741 is an apocalyptic number.

It is an amenable number.

117765741 is a deficient number, since it is larger than the sum of its proper divisors (39255251).

117765741 is an equidigital number, since it uses as much as digits as its factorization.

117765741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39255250.

The product of its digits is 41160, while the sum is 39.

The square root of 117765741 is about 10851.9924898610. The cubic root of 117765741 is about 490.1620191697.

The spelling of 117765741 in words is "one hundred seventeen million, seven hundred sixty-five thousand, seven hundred forty-one".