117565772 has 6 divisors (see below), whose sum is σ = 205740108. Its totient is φ = 58782884.

The previous prime is 117565759. The next prime is 117565793. The reversal of 117565772 is 277565711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14695718 + ... + 14695725.

It is an arithmetic number, because the mean of its divisors is an integer number (34290018).

Almost surely, 2^117565772 is an apocalyptic number.

It is an amenable number.

117565772 is a deficient number, since it is larger than the sum of its proper divisors (88174336).

117565772 is a wasteful number, since it uses less digits than its factorization.

117565772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29391447 (or 29391445 counting only the distinct ones).

The product of its digits is 102900, while the sum is 41.

The square root of 117565772 is about 10842.7751060326. The cubic root of 117565772 is about 489.8844264423.

The spelling of 117565772 in words is "one hundred seventeen million, five hundred sixty-five thousand, seven hundred seventy-two".