7925530 has 8 divisors (see below), whose sum is σ = 14265972. Its totient is φ = 3170208.

The previous prime is 7925521. The next prime is 7925531. The reversal of 7925530 is 355297.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 1560001 = 2523^2 + 1249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×7925530³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7925492 and 7925501.

It is not an unprimeable number, because it can be changed into a prime (7925531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396267 + ... + 396286.

Almost surely, 2^7925530 is an apocalyptic number.

7925530 is a deficient number, since it is larger than the sum of its proper divisors (6340442).

7925530 is a wasteful number, since it uses less digits than its factorization.

7925530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792560.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 7925530 is about 2815.2317844185. The cubic root of 7925530 is about 199.3774810277.

The spelling of 7925530 in words is "seven million, nine hundred twenty-five thousand, five hundred thirty".