117073665 has 24 divisors (see below), whose sum is σ = 205027368. Its totient is φ = 61793280.

The previous prime is 117073651. The next prime is 117073669. The reversal of 117073665 is 566370711.

It can be written as a sum of positive squares in 4 ways, for example, as 27373824 + 89699841 = 5232^2 + 9471^2 .

It is not a de Polignac number, because 117073665 - 2⁶ = 117073601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117073669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9046 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (8542807).

Almost surely, 2^117073665 is an apocalyptic number.

117073665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117073665 is a deficient number, since it is larger than the sum of its proper divisors (87953703).

117073665 is a wasteful number, since it uses less digits than its factorization.

117073665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26929 (or 26926 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 117073665 is about 10820.0584564040. The cubic root of 117073665 is about 489.1999508489.

The spelling of 117073665 in words is "one hundred seventeen million, seventy-three thousand, six hundred sixty-five".