25462740 has 48 divisors (see below), whose sum is σ = 72168768. Its totient is φ = 6706944.

The previous prime is 25462699. The next prime is 25462741. The reversal of 25462740 is 4726452.

It is a super-2 number, since 2×25462740² = 1296702256615200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25462698 and 25462707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25462741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (1503516).

Almost surely, 2^25462740 is an apocalyptic number.

25462740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25462740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36084384).

25462740 is an abundant number, since it is smaller than the sum of its proper divisors (46706028).

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

25462740 is a wasteful number, since it uses less digits than its factorization.

25462740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 25462740 is about 5046.0618307746. The cubic root of 25462740 is about 294.1948359132.

The spelling of 25462740 in words is "twenty-five million, four hundred sixty-two thousand, seven hundred forty".