24972819 has 8 divisors (see below), whose sum is σ = 33378240. Its totient is φ = 16607976.

The previous prime is 24972803. The next prime is 24972853. The reversal of 24972819 is 91827942.

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

It is not a de Polignac number, because 24972819 - 2⁴ = 24972803 is a prime.

It is a super-2 number, since 2×24972819² = 1247283377613522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24972889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8677 + ... + 11190.

It is an arithmetic number, because the mean of its divisors is an integer number (4172280).

Almost surely, 2^24972819 is an apocalyptic number.

24972819 is a deficient number, since it is larger than the sum of its proper divisors (8405421).

24972819 is a wasteful number, since it uses less digits than its factorization.

24972819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20289.

The product of its digits is 72576, while the sum is 42.

The square root of 24972819 is about 4997.2811607913. The cubic root of 24972819 is about 292.2957650915.

The spelling of 24972819 in words is "twenty-four million, nine hundred seventy-two thousand, eight hundred nineteen".