25007340 has 48 divisors (see below), whose sum is σ = 74142432. Its totient is φ = 6276096.

The previous prime is 25007329. The next prime is 25007347. The reversal of 25007340 is 4370052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25007347) 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, 11239 + ... + 13278.

It is an arithmetic number, because the mean of its divisors is an integer number (1544634).

Almost surely, 2^25007340 is an apocalyptic number.

25007340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25007340 is an abundant number, since it is smaller than the sum of its proper divisors (49135092).

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

25007340 is a wasteful number, since it uses less digits than its factorization.

25007340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24546 (or 24544 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 25007340 is about 5000.7339461323. The cubic root of 25007340 is about 292.4303874081.

Adding to 25007340 its reverse (4370052), we get a palindrome (29377392).

The spelling of 25007340 in words is "twenty-five million, seven thousand, three hundred forty".