24729973 has 2 divisors, whose sum is σ = 24729974. Its totient is φ = 24729972.

The previous prime is 24729919. The next prime is 24729979. The reversal of 24729973 is 37992742.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23794884 + 935089 = 4878^2 + 967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24729973 is a prime.

It is a super-2 number, since 2×24729973² = 1223143129161458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24729979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12364986 + 12364987.

It is an arithmetic number, because the mean of its divisors is an integer number (12364987).

Almost surely, 2^24729973 is an apocalyptic number.

It is an amenable number.

24729973 is a deficient number, since it is larger than the sum of its proper divisors (1).

24729973 is an equidigital number, since it uses as much as digits as its factorization.

24729973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 24729973 is about 4972.9239889626. The cubic root of 24729973 is about 291.3452089769.

The spelling of 24729973 in words is "twenty-four million, seven hundred twenty-nine thousand, nine hundred seventy-three".