6940560 has 120 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 1675520.

The previous prime is 6940513. The next prime is 6940561. The reversal of 6940560 is 650496.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×6940560² = 96342746227200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (6940561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28921 + ... + 29159.

It is an arithmetic number, because the mean of its divisors is an integer number (197904).

Almost surely, 2^6940560 is an apocalyptic number.

6940560 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 6940560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11874240).

6940560 is an abundant number, since it is smaller than the sum of its proper divisors (16807920).

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

6940560 is a wasteful number, since it uses less digits than its factorization.

6940560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6940560 is about 2634.4942588664. The cubic root of 6940560 is about 190.7501278265.

Subtracting from 6940560 its reverse (650496), we obtain a square (6290064 = 2508²).

The spelling of 6940560 in words is "six million, nine hundred forty thousand, five hundred sixty".