24073021 has 4 divisors (see below), whose sum is σ = 27512032. Its totient is φ = 20634012.

The previous prime is 24073001. The next prime is 24073039. The reversal of 24073021 is 12037042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 24073021 - 2¹³ = 24064829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24073021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24073001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719495 + ... + 1719508.

It is an arithmetic number, because the mean of its divisors is an integer number (6878008).

Almost surely, 2^24073021 is an apocalyptic number.

It is an amenable number.

24073021 is a deficient number, since it is larger than the sum of its proper divisors (3439011).

24073021 is an equidigital number, since it uses as much as digits as its factorization.

24073021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439010.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 24073021 is about 4906.4265000100. The cubic root of 24073021 is about 288.7421581674.

The spelling of 24073021 in words is "twenty-four million, seventy-three thousand, twenty-one".