24971980 has 72 divisors (see below), whose sum is σ = 61133184. Its totient is φ = 8532480.

The previous prime is 24971959. The next prime is 24972001. The reversal of 24971980 is 8917942.

It is an interprime number because it is at equal distance from previous prime (24971959) and next prime (24972001).

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 23 ways as a sum of consecutive naturals, for example, 40837 + ... + 41443.

It is an arithmetic number, because the mean of its divisors is an integer number (849072).

Almost surely, 2^24971980 is an apocalyptic number.

24971980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24971980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30566592).

24971980 is an abundant number, since it is smaller than the sum of its proper divisors (36161204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24971980 is a wasteful number, since it uses less digits than its factorization.

24971980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 24971980 is about 4997.1972144393. The cubic root of 24971980 is about 292.2924916806.

The spelling of 24971980 in words is "twenty-four million, nine hundred seventy-one thousand, nine hundred eighty".