117542773 has 4 divisors (see below), whose sum is σ = 117569920. Its totient is φ = 117515628.

The previous prime is 117542749. The next prime is 117542801. The reversal of 117542773 is 377245711.

It is a happy number.

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: 377245711 = 67 ⋅5630533.

It is a cyclic number.

It is not a de Polignac number, because 117542773 - 2⁵ = 117542741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117342773) 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, 5463 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (29392480).

Almost surely, 2^117542773 is an apocalyptic number.

It is an amenable number.

117542773 is a deficient number, since it is larger than the sum of its proper divisors (27147).

117542773 is an equidigital number, since it uses as much as digits as its factorization.

117542773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27146.

The product of its digits is 41160, while the sum is 37.

The square root of 117542773 is about 10841.7144861871. The cubic root of 117542773 is about 489.8524795400.

The spelling of 117542773 in words is "one hundred seventeen million, five hundred forty-two thousand, seven hundred seventy-three".