6935945 has 4 divisors (see below), whose sum is σ = 8323140. Its totient is φ = 5548752.

The previous prime is 6935941. The next prime is 6935977. The reversal of 6935945 is 5495396.

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 4414201 + 2521744 = 2101^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 6935945 - 2² = 6935941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6935941) 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, 693590 + ... + 693599.

It is an arithmetic number, because the mean of its divisors is an integer number (2080785).

Almost surely, 2^6935945 is an apocalyptic number.

It is an amenable number.

6935945 is a deficient number, since it is larger than the sum of its proper divisors (1387195).

6935945 is a wasteful number, since it uses less digits than its factorization.

6935945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387194.

The product of its digits is 145800, while the sum is 41.

The square root of 6935945 is about 2633.6182335335. The cubic root of 6935945 is about 190.7078398349.

It can be divided in two parts, 693 and 5945, that multiplied together give a triangular number (4119885 = T₂₈₇₀).

The spelling of 6935945 in words is "six million, nine hundred thirty-five thousand, nine hundred forty-five".