25740120 has 64 divisors (see below), whose sum is σ = 88254720. Its totient is φ = 5883264.

The previous prime is 25740103. The next prime is 25740131. The reversal of 25740120 is 2104752.

It is a super-2 number, since 2×25740120² = 1325107555228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14482 + ... + 16161.

It is an arithmetic number, because the mean of its divisors is an integer number (1378980).

Almost surely, 2^25740120 is an apocalyptic number.

25740120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25740120 is an abundant number, since it is smaller than the sum of its proper divisors (62514600).

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

25740120 is a wasteful number, since it uses less digits than its factorization.

25740120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30664 (or 30660 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25740120 is about 5073.4721838205. The cubic root of 25740120 is about 295.2592569111.

Adding to 25740120 its reverse (2104752), we get a palindrome (27844872).

The spelling of 25740120 in words is "twenty-five million, seven hundred forty thousand, one hundred twenty".