6930505 has 8 divisors (see below), whose sum is σ = 8339400. Its totient is φ = 5529216.

The previous prime is 6930503. The next prime is 6930527. The reversal of 6930505 is 5050396.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4064256 + 2866249 = 2016^2 + 1693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6930505 - 2¹ = 6930503 is a prime.

6930505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6930503) 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, 351 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (1042425).

Almost surely, 2^6930505 is an apocalyptic number.

It is an amenable number.

6930505 is a deficient number, since it is larger than the sum of its proper divisors (1408895).

6930505 is a wasteful number, since it uses less digits than its factorization.

6930505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 6930505 is about 2632.5852312888. The cubic root of 6930505 is about 190.6579681401.

The spelling of 6930505 in words is "six million, nine hundred thirty thousand, five hundred five".