23729870 has 8 divisors (see below), whose sum is σ = 42713784. Its totient is φ = 9491944.

The previous prime is 23729837. The next prime is 23729873. The reversal of 23729870 is 7892732.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23729873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186484 + ... + 1186503.

It is an arithmetic number, because the mean of its divisors is an integer number (5339223).

Almost surely, 2^23729870 is an apocalyptic number.

23729870 is a deficient number, since it is larger than the sum of its proper divisors (18983914).

23729870 is a wasteful number, since it uses less digits than its factorization.

23729870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372994.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 23729870 is about 4871.3314401712. The cubic root of 23729870 is about 287.3636202567.

The spelling of 23729870 in words is "twenty-three million, seven hundred twenty-nine thousand, eight hundred seventy".