24673421 has 2 divisors, whose sum is σ = 24673422. Its totient is φ = 24673420.

The previous prime is 24673417. The next prime is 24673447. The reversal of 24673421 is 12437642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13875625 + 10797796 = 3725^2 + 3286^2 .

It is a cyclic number.

It is not a de Polignac number, because 24673421 - 2² = 24673417 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24673471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12336710 + 12336711.

It is an arithmetic number, because the mean of its divisors is an integer number (12336711).

Almost surely, 2^24673421 is an apocalyptic number.

It is an amenable number.

24673421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24673421 is an equidigital number, since it uses as much as digits as its factorization.

24673421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 24673421 is about 4967.2347437986. The cubic root of 24673421 is about 291.1229587093.

The spelling of 24673421 in words is "twenty-four million, six hundred seventy-three thousand, four hundred twenty-one".