24540072 has 16 divisors (see below), whose sum is σ = 61350240. Its totient is φ = 8180016.

The previous prime is 24540053. The next prime is 24540073. The reversal of 24540072 is 27004542.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1022503 = 24540072 / (2 + 4 + 5 + 4 + 0 + 0 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (24540073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511228 + ... + 511275.

It is an arithmetic number, because the mean of its divisors is an integer number (3834390).

Almost surely, 2^24540072 is an apocalyptic number.

It is an amenable number.

24540072 is an abundant number, since it is smaller than the sum of its proper divisors (36810168).

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

24540072 is a wasteful number, since it uses less digits than its factorization.

24540072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022512 (or 1022508 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 24540072 is about 4953.7936977634. The cubic root of 24540072 is about 290.5975471351.

The spelling of 24540072 in words is "twenty-four million, five hundred forty thousand, seventy-two".