24997970 has 16 divisors (see below), whose sum is σ = 45567360. Its totient is φ = 9872304.

The previous prime is 24997961. The next prime is 24997993. The reversal of 24997970 is 7979942.

It is a Curzon number.

It is an unprimeable number.

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, 15032 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (2847960).

Almost surely, 2^24997970 is an apocalyptic number.

24997970 is a deficient number, since it is larger than the sum of its proper divisors (20569390).

24997970 is a wasteful number, since it uses less digits than its factorization.

24997970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31729.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 24997970 is about 4999.7969958789. The cubic root of 24997970 is about 292.3938592657.

The spelling of 24997970 in words is "twenty-four million, nine hundred ninety-seven thousand, nine hundred seventy".