24040729 has 2 divisors, whose sum is σ = 24040730. Its totient is φ = 24040728.

The previous prime is 24040711. The next prime is 24040733. The reversal of 24040729 is 92704042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17139600 + 6901129 = 4140^2 + 2627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24040729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24040697 and 24040706.

It is not a weakly prime, because it can be changed into another prime (24040759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12020364 + 12020365.

It is an arithmetic number, because the mean of its divisors is an integer number (12020365).

Almost surely, 2^24040729 is an apocalyptic number.

It is an amenable number.

24040729 is a deficient number, since it is larger than the sum of its proper divisors (1).

24040729 is an equidigital number, since it uses as much as digits as its factorization.

24040729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 24040729 is about 4903.1346096145. The cubic root of 24040729 is about 288.6129923537.

The spelling of 24040729 in words is "twenty-four million, forty thousand, seven hundred twenty-nine".