117619745 has 8 divisors (see below), whose sum is σ = 143536320. Its totient is φ = 92500720.

The previous prime is 117619741. The next prime is 117619751. The reversal of 117619745 is 547916711.

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

It is not a de Polignac number, because 117619745 - 2² = 117619741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117619741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 199061 + ... + 199650.

It is an arithmetic number, because the mean of its divisors is an integer number (17942040).

Almost surely, 2^117619745 is an apocalyptic number.

It is an amenable number.

117619745 is a deficient number, since it is larger than the sum of its proper divisors (25916575).

117619745 is an equidigital number, since it uses as much as digits as its factorization.

117619745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398775.

The product of its digits is 52920, while the sum is 41.

The square root of 117619745 is about 10845.2637127919. The cubic root of 117619745 is about 489.9593816115.

The spelling of 117619745 in words is "one hundred seventeen million, six hundred nineteen thousand, seven hundred forty-five".