25734424 has 16 divisors (see below), whose sum is σ = 50350320. Its totient is φ = 12307680.

The previous prime is 25734409. The next prime is 25734461. The reversal of 25734424 is 42443752.

It is a happy number.

It is a super-2 number, since 2×25734424² = 1324521157223552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69747 + ... + 70114.

It is an arithmetic number, because the mean of its divisors is an integer number (3146895).

Almost surely, 2^25734424 is an apocalyptic number.

It is an amenable number.

25734424 is a deficient number, since it is larger than the sum of its proper divisors (24615896).

25734424 is a wasteful number, since it uses less digits than its factorization.

25734424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139890 (or 139886 counting only the distinct ones).

The product of its digits is 26880, while the sum is 31.

The square root of 25734424 is about 5072.9108015024. The cubic root of 25734424 is about 295.2374761165.

It can be divided in two parts, 25 and 734424, that added together give a square (734449 = 857²).

The spelling of 25734424 in words is "twenty-five million, seven hundred thirty-four thousand, four hundred twenty-four".