24780742 has 8 divisors (see below), whose sum is σ = 42481296. Its totient is φ = 10620312.

The previous prime is 24780739. The next prime is 24780751. The reversal of 24780742 is 24708742.

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

It is a super-2 number, since 2×24780742² = 1228170348141128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24780698 and 24780707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885013 + ... + 885040.

It is an arithmetic number, because the mean of its divisors is an integer number (5310162).

Almost surely, 2^24780742 is an apocalyptic number.

24780742 is a deficient number, since it is larger than the sum of its proper divisors (17700554).

24780742 is a wasteful number, since it uses less digits than its factorization.

24780742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770062.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 24780742 is about 4978.0259139542. The cubic root of 24780742 is about 291.5444435196.

The spelling of 24780742 in words is "twenty-four million, seven hundred eighty thousand, seven hundred forty-two".