6937945 has 16 divisors (see below), whose sum is σ = 10016640. Its totient is φ = 4506624.

The previous prime is 6937943. The next prime is 6937949. The reversal of 6937945 is 5497396.

It is a cyclic number.

It is not a de Polignac number, because 6937945 - 2¹ = 6937943 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 9³ + 3⁷ + 7⁷ + 9⁷ + 4¹⁰ + 5 .

It is not an unprimeable number, because it can be changed into a prime (6937943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4552 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (626040).

Almost surely, 2^6937945 is an apocalyptic number.

It is an amenable number.

6937945 is a deficient number, since it is larger than the sum of its proper divisors (3078695).

6937945 is a wasteful number, since it uses less digits than its factorization.

6937945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464.

The product of its digits is 204120, while the sum is 43.

The square root of 6937945 is about 2633.9979119202. The cubic root of 6937945 is about 190.7261684609.

The spelling of 6937945 in words is "six million, nine hundred thirty-seven thousand, nine hundred forty-five".