7825630 has 16 divisors (see below), whose sum is σ = 14175504. Its totient is φ = 3110400.

The previous prime is 7825619. The next prime is 7825633. The reversal of 7825630 is 365287.

7825630 = 133² + 134² + ... + 295².

It is a super-2 number, since 2×7825630² = 122480969793800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7825592 and 7825601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825633) 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, 771 + ... + 4030.

It is an arithmetic number, because the mean of its divisors is an integer number (885969).

Almost surely, 2^7825630 is an apocalyptic number.

7825630 is a deficient number, since it is larger than the sum of its proper divisors (6349874).

7825630 is a wasteful number, since it uses less digits than its factorization.

7825630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 7825630 is about 2797.4327516493. The cubic root of 7825630 is about 198.5362296849.

The spelling of 7825630 in words is "seven million, eight hundred twenty-five thousand, six hundred thirty".