7530680 has 32 divisors (see below), whose sum is σ = 17182800. Its totient is φ = 2969856.

The previous prime is 7530671. The next prime is 7530689. The reversal of 7530680 is 860357.

It is an interprime number because it is at equal distance from previous prime (7530671) and next prime (7530689).

It is a super-2 number, since 2×7530680² = 113422282524800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7530689) 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, 1631 + ... + 4209.

Almost surely, 2^7530680 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 7530680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8591400).

7530680 is an abundant number, since it is smaller than the sum of its proper divisors (9652120).

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

7530680 is a wasteful number, since it uses less digits than its factorization.

7530680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7530680 is about 2744.2084468932. The cubic root of 7530680 is about 196.0099259169.

The spelling of 7530680 in words is "seven million, five hundred thirty thousand, six hundred eighty".