6750913 has 4 divisors (see below), whose sum is σ = 7270228. Its totient is φ = 6231600.

The previous prime is 6750911. The next prime is 6750923. The reversal of 6750913 is 3190576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 4464769 = 1512^2 + 2113^2 .

It is a cyclic number.

It is not a de Polignac number, because 6750913 - 2¹ = 6750911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6750911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259638 + ... + 259663.

It is an arithmetic number, because the mean of its divisors is an integer number (1817557).

Almost surely, 2^6750913 is an apocalyptic number.

It is an amenable number.

6750913 is a deficient number, since it is larger than the sum of its proper divisors (519315).

6750913 is a wasteful number, since it uses less digits than its factorization.

6750913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519314.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 6750913 is about 2598.2519123441. The cubic root of 6750913 is about 188.9966778995.

The spelling of 6750913 in words is "six million, seven hundred fifty thousand, nine hundred thirteen".