6945480 has 128 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 1804032.

The previous prime is 6945479. The next prime is 6945481. The reversal of 6945480 is 845496.

It is an interprime number because it is at equal distance from previous prime (6945479) and next prime (6945481).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6945481) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 63666 + ... + 63774.

It is an arithmetic number, because the mean of its divisors is an integer number (185625).

Almost surely, 2^6945480 is an apocalyptic number.

6945480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6945480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11880000).

6945480 is an abundant number, since it is smaller than the sum of its proper divisors (16814520).

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

6945480 is a wasteful number, since it uses less digits than its factorization.

6945480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6945480 is about 2635.4278590013. The cubic root of 6945480 is about 190.7951899424.

The spelling of 6945480 in words is "six million, nine hundred forty-five thousand, four hundred eighty".