25469740 has 48 divisors (see below), whose sum is σ = 59113152. Its totient is φ = 9168896.

The previous prime is 25469711. The next prime is 25469761. The reversal of 25469740 is 4796452.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25469740.

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, 6192 + ... + 9448.

It is an arithmetic number, because the mean of its divisors is an integer number (1231524).

Almost surely, 2^25469740 is an apocalyptic number.

25469740 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 25469740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29556576).

25469740 is an abundant number, since it is smaller than the sum of its proper divisors (33643412).

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

25469740 is a wasteful number, since it uses less digits than its factorization.

25469740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 25469740 is about 5046.7553933196. The cubic root of 25469740 is about 294.2217926241.

The spelling of 25469740 in words is "twenty-five million, four hundred sixty-nine thousand, seven hundred forty".