7425880 has 64 divisors (see below), whose sum is σ = 20839680. Its totient is φ = 2313600.

The previous prime is 7425877. The next prime is 7425881. The reversal of 7425880 is 885247.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425881) 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, 1875 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (325620).

Almost surely, 2^7425880 is an apocalyptic number.

7425880 is a gapful number since it is divisible by the number (70) 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 7425880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10419840).

7425880 is an abundant number, since it is smaller than the sum of its proper divisors (13413800).

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

7425880 is a wasteful number, since it uses less digits than its factorization.

7425880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 7425880 is about 2725.0467885891. The cubic root of 7425880 is about 195.0964239318.

The spelling of 7425880 in words is "seven million, four hundred twenty-five thousand, eight hundred eighty".