6940545 has 16 divisors (see below), whose sum is σ = 11247360. Its totient is φ = 3654144.

The previous prime is 6940513. The next prime is 6940561. The reversal of 6940545 is 5450496.

It is not a de Polignac number, because 6940545 - 2⁵ = 6940513 is a prime.

6940545 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744 + ... + 4113.

It is an arithmetic number, because the mean of its divisors is an integer number (702960).

Almost surely, 2^6940545 is an apocalyptic number.

It is an amenable number.

6940545 is a deficient number, since it is larger than the sum of its proper divisors (4306815).

6940545 is a wasteful number, since it uses less digits than its factorization.

6940545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6940545 is about 2634.4914120186. The cubic root of 6940545 is about 190.7499904094.

The spelling of 6940545 in words is "six million, nine hundred forty thousand, five hundred forty-five".