6505730 has 96 divisors (see below), whose sum is σ = 15956352. Its totient is φ = 1881600.

The previous prime is 6505717. The next prime is 6505783. The reversal of 6505730 is 375056.

It is a self number, because there is not a number n which added to its sum of digits gives 6505730.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91595 + ... + 91665.

It is an arithmetic number, because the mean of its divisors is an integer number (166212).

Almost surely, 2^6505730 is an apocalyptic number.

6505730 is an abundant number, since it is smaller than the sum of its proper divisors (9450622).

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

6505730 is a wasteful number, since it uses less digits than its factorization.

6505730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 6505730 is about 2550.6332547036. The cubic root of 6505730 is about 186.6803809368.

The spelling of 6505730 in words is "six million, five hundred five thousand, seven hundred thirty".