7425400 has 48 divisors (see below), whose sum is σ = 17454240. Its totient is φ = 2937600.

The previous prime is 7425391. The next prime is 7425401. The reversal of 7425400 is 45247.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7425401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27265 + ... + 27535.

It is an arithmetic number, because the mean of its divisors is an integer number (363630).

Almost surely, 2^7425400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7425400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8727120).

7425400 is an abundant number, since it is smaller than the sum of its proper divisors (10028840).

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

7425400 is a wasteful number, since it uses less digits than its factorization.

7425400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 7425400 is about 2724.9587152836. The cubic root of 7425400 is about 195.0922202414.

The spelling of 7425400 in words is "seven million, four hundred twenty-five thousand, four hundred".