7320630 has 16 divisors (see below), whose sum is σ = 17569584. Its totient is φ = 1952160.

The previous prime is 7320623. The next prime is 7320637. The reversal of 7320630 is 360237.

It is an interprime number because it is at equal distance from previous prime (7320623) and next prime (7320637).

It is a junction number, because it is equal to n+sod(n) for n = 7320597 and 7320606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320637) 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, 121981 + ... + 122040.

It is an arithmetic number, because the mean of its divisors is an integer number (1098099).

Almost surely, 2^7320630 is an apocalyptic number.

7320630 is an abundant number, since it is smaller than the sum of its proper divisors (10248954).

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

7320630 is a wasteful number, since it uses less digits than its factorization.

7320630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244031.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 7320630 is about 2705.6662765389. Note that the first 3 decimals coincide. The cubic root of 7320630 is about 194.1703078107.

Adding to 7320630 its reverse (360237), we get a palindrome (7680867).

The spelling of 7320630 in words is "seven million, three hundred twenty thousand, six hundred thirty".