109709705 has 32 divisors (see below), whose sum is σ = 159164160. Its totient is φ = 71114112.

The previous prime is 109709689. The next prime is 109709731. The reversal of 109709705 is 507907901.

It is not a de Polignac number, because 109709705 - 2⁴ = 109709689 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239837 + ... + 240293.

It is an arithmetic number, because the mean of its divisors is an integer number (4973880).

Almost surely, 2^109709705 is an apocalyptic number.

It is an amenable number.

109709705 is a deficient number, since it is larger than the sum of its proper divisors (49454455).

109709705 is an frugal number, since it uses more digits than its factorization.

109709705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 38.

The square root of 109709705 is about 10474.2400678999. The cubic root of 109709705 is about 478.7201218893.

The spelling of 109709705 in words is "one hundred nine million, seven hundred nine thousand, seven hundred five".