6930945 has 24 divisors (see below), whose sum is σ = 13730496. Its totient is φ = 3168288.

The previous prime is 6930929. The next prime is 6930947. The reversal of 6930945 is 5490396.

It is not a de Polignac number, because 6930945 - 2⁴ = 6930929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6930947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10687 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (572104).

Almost surely, 2^6930945 is an apocalyptic number.

It is an amenable number.

6930945 is a deficient number, since it is larger than the sum of its proper divisors (6799551).

6930945 is a wasteful number, since it uses less digits than its factorization.

6930945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021 (or 22018 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 6930945 is about 2632.6687980071. The cubic root of 6930945 is about 190.6620028499.

It can be divided in two parts, 6930 and 945, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 6930945 in words is "six million, nine hundred thirty thousand, nine hundred forty-five".