6537630 has 48 divisors (see below), whose sum is σ = 17255952. Its totient is φ = 1584000.

The previous prime is 6537611. The next prime is 6537649. The reversal of 6537630 is 367356.

6537630 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6537611) and next prime (6537649).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2730 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (359499).

Almost surely, 2^6537630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6537630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8627976).

6537630 is an abundant number, since it is smaller than the sum of its proper divisors (10718322).

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

6537630 is a wasteful number, since it uses less digits than its factorization.

6537630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 6537630 is about 2556.8789568535. The cubic root of 6537630 is about 186.9850045646.

The spelling of 6537630 in words is "six million, five hundred thirty-seven thousand, six hundred thirty".