6513074730 has 80 divisors (see below), whose sum is σ = 17542065024. Its totient is φ = 1733931360.

The previous prime is 6513074651. The next prime is 6513074741. The reversal of 6513074730 is 374703156.

6513074730 is a `hidden beast` number, since 6 + 513 + 0 + 74 + 73 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 504739 + ... + 517481.

Almost surely, 2^6513074730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6513074730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8771032512).

6513074730 is an abundant number, since it is smaller than the sum of its proper divisors (11028990294).

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

6513074730 is a wasteful number, since it uses less digits than its factorization.

6513074730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13393 (or 13384 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 6513074730 is about 80703.6227811367. The cubic root of 6513074730 is about 1867.5060627858.

Adding to 6513074730 its reverse (374703156), we get a palindrome (6887777886).

The spelling of 6513074730 in words is "six billion, five hundred thirteen million, seventy-four thousand, seven hundred thirty".