7825430 has 16 divisors (see below), whose sum is σ = 14137200. Its totient is φ = 3118752.

The previous prime is 7825429. The next prime is 7825439. The reversal of 7825430 is 345287.

It is a happy number.

It is a super-2 number, since 2×7825430² = 122474709369800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7825393 and 7825402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (883575).

Almost surely, 2^7825430 is an apocalyptic number.

7825430 is a deficient number, since it is larger than the sum of its proper divisors (6311770).

7825430 is a wasteful number, since it uses less digits than its factorization.

7825430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 7825430 is about 2797.3970043596. The cubic root of 7825430 is about 198.5345383372.

The spelling of 7825430 in words is "seven million, eight hundred twenty-five thousand, four hundred thirty".