24996642 has 32 divisors (see below), whose sum is σ = 54722304. Its totient is φ = 7549200.

The previous prime is 24996623. The next prime is 24996649. The reversal of 24996642 is 24669942.

It is a super-2 number, since 2×24996642² = 1249664222552328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24996594 and 24996603.

It is not an unprimeable number, because it can be changed into a prime (24996649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30417 + ... + 31227.

It is an arithmetic number, because the mean of its divisors is an integer number (1710072).

Almost surely, 2^24996642 is an apocalyptic number.

24996642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24996642 is an abundant number, since it is smaller than the sum of its proper divisors (29725662).

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

24996642 is a wasteful number, since it uses less digits than its factorization.

24996642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its digits is 186624, while the sum is 42.

The square root of 24996642 is about 4999.6641887231. The cubic root of 24996642 is about 292.3886814330.

The spelling of 24996642 in words is "twenty-four million, nine hundred ninety-six thousand, six hundred forty-two".