24081681 has 8 divisors (see below), whose sum is σ = 34578880. Its totient is φ = 14819472.

The previous prime is 24081661. The next prime is 24081691. The reversal of 24081681 is 18618042.

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

It is not a de Polignac number, because 24081681 - 2⁷ = 24081553 is a prime.

It is a super-2 number, since 2×24081681² = 1159854719571522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24081661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308701 + ... + 308778.

It is an arithmetic number, because the mean of its divisors is an integer number (4322360).

Almost surely, 2^24081681 is an apocalyptic number.

It is an amenable number.

24081681 is a deficient number, since it is larger than the sum of its proper divisors (10497199).

24081681 is a wasteful number, since it uses less digits than its factorization.

24081681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617495.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 24081681 is about 4907.3089366780. The cubic root of 24081681 is about 288.7767779368.

The spelling of 24081681 in words is "twenty-four million, eighty-one thousand, six hundred eighty-one".