6945420 has 24 divisors (see below), whose sum is σ = 19447344. Its totient is φ = 1852096.

The previous prime is 6945397. The next prime is 6945437. The reversal of 6945420 is 245496.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57819 + ... + 57938.

It is an arithmetic number, because the mean of its divisors is an integer number (810306).

Almost surely, 2^6945420 is an apocalyptic number.

6945420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6945420 is an abundant number, since it is smaller than the sum of its proper divisors (12501924).

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

6945420 is a wasteful number, since it uses less digits than its factorization.

6945420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115769 (or 115767 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6945420 is about 2635.4164756258. The cubic root of 6945420 is about 190.7946405326.

The spelling of 6945420 in words is "six million, nine hundred forty-five thousand, four hundred twenty".