23728706 has 8 divisors (see below), whose sum is σ = 35626044. Its totient is φ = 11853360.

The previous prime is 23728693. The next prime is 23728711. The reversal of 23728706 is 60782732.

It can be written as a sum of positive squares in 2 ways, for example, as 21298225 + 2430481 = 4615^2 + 1559^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465 + ... + 7316.

Almost surely, 2^23728706 is an apocalyptic number.

23728706 is a deficient number, since it is larger than the sum of its proper divisors (11897338).

23728706 is a wasteful number, since it uses less digits than its factorization.

23728706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10996.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 23728706 is about 4871.2119641830. The cubic root of 23728706 is about 287.3589215833.

The spelling of 23728706 in words is "twenty-three million, seven hundred twenty-eight thousand, seven hundred six".