23729706 has 128 divisors (see below), whose sum is σ = 70963200. Its totient is φ = 5676480.

The previous prime is 23729687. The next prime is 23729729. The reversal of 23729706 is 60792732.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53835 + ... + 54273.

It is an arithmetic number, because the mean of its divisors is an integer number (554400).

Almost surely, 2^23729706 is an apocalyptic number.

23729706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23729706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35481600).

23729706 is an abundant number, since it is smaller than the sum of its proper divisors (47233494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23729706 is a wasteful number, since it uses less digits than its factorization.

23729706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 23729706 is about 4871.3146069619. The cubic root of 23729706 is about 287.3629582536.

The spelling of 23729706 in words is "twenty-three million, seven hundred twenty-nine thousand, seven hundred six".