24772878 has 56 divisors (see below), whose sum is σ = 60045048. Its totient is φ = 7616592.

The previous prime is 24772871. The next prime is 24772879. The reversal of 24772878 is 87827742.

It is a super-2 number, since 2×24772878² = 1227390968805768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24772871) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18301 + ... + 19607.

It is an arithmetic number, because the mean of its divisors is an integer number (1072233).

Almost surely, 2^24772878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24772878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30022524).

24772878 is an abundant number, since it is smaller than the sum of its proper divisors (35272170).

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

24772878 is a wasteful number, since it uses less digits than its factorization.

24772878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1325 counting only the distinct ones).

The product of its digits is 351232, while the sum is 45.

The square root of 24772878 is about 4977.2359799391. The cubic root of 24772878 is about 291.5136003744.

The spelling of 24772878 in words is "twenty-four million, seven hundred seventy-two thousand, eight hundred seventy-eight".