23740705 has 8 divisors (see below), whose sum is σ = 29471400. Its totient is φ = 18337536.

The previous prime is 23740697. The next prime is 23740723. The reversal of 23740705 is 50704732.

It can be written as a sum of positive squares in 4 ways, for example, as 2663424 + 21077281 = 1632^2 + 4591^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23740705 - 2³ = 23740697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81720 + ... + 82009.

It is an arithmetic number, because the mean of its divisors is an integer number (3683925).

Almost surely, 2^23740705 is an apocalyptic number.

It is an amenable number.

23740705 is a deficient number, since it is larger than the sum of its proper divisors (5730695).

23740705 is a wasteful number, since it uses less digits than its factorization.

23740705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163763.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23740705 is about 4872.4434322011. The cubic root of 23740705 is about 287.4073501080.

The spelling of 23740705 in words is "twenty-three million, seven hundred forty thousand, seven hundred five".