24742385 has 8 divisors (see below), whose sum is σ = 29793960. Its totient is φ = 19725184.

The previous prime is 24742379. The next prime is 24742387. The reversal of 24742385 is 58324742.

It can be written as a sum of positive squares in 4 ways, for example, as 2122849 + 22619536 = 1457^2 + 4756^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 24742385 - 2⁸ = 24742129 is a prime.

It is a super-2 number, since 2×24742385² = 1224371230976450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24742387) 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, 6980 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (3724245).

Almost surely, 2^24742385 is an apocalyptic number.

It is an amenable number.

24742385 is a deficient number, since it is larger than the sum of its proper divisors (5051575).

24742385 is a wasteful number, since it uses less digits than its factorization.

24742385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17187.

The product of its digits is 53760, while the sum is 35.

The square root of 24742385 is about 4974.1717903587. The cubic root of 24742385 is about 291.3939429823.

The spelling of 24742385 in words is "twenty-four million, seven hundred forty-two thousand, three hundred eighty-five".