6945720 has 32 divisors (see below), whose sum is σ = 20837520. Its totient is φ = 1852160.

The previous prime is 6945713. The next prime is 6945733. The reversal of 6945720 is 275496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28821 + ... + 29060.

Almost surely, 2^6945720 is an apocalyptic number.

6945720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6945720 is an abundant number, since it is smaller than the sum of its proper divisors (13891800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6945720 is a wasteful number, since it uses less digits than its factorization.

6945720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57895 (or 57891 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6945720 is about 2635.4733920114. The cubic root of 6945720 is about 190.7973875500.

The spelling of 6945720 in words is "six million, nine hundred forty-five thousand, seven hundred twenty".