6930480 has 80 divisors (see below), whose sum is σ = 21855744. Its totient is φ = 1816320.

The previous prime is 6930463. The next prime is 6930481. The reversal of 6930480 is 840396.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6930481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15865 + ... + 16295.

Almost surely, 2^6930480 is an apocalyptic number.

6930480 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 6930480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10927872).

6930480 is an abundant number, since it is smaller than the sum of its proper divisors (14925264).

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

6930480 is a wasteful number, since it uses less digits than its factorization.

6930480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6930480 is about 2632.5804831002. The cubic root of 6930480 is about 190.6577388901.

Subtracting from 6930480 its product of nonzero digits (5184), we obtain a palindrome (6925296).

The spelling of 6930480 in words is "six million, nine hundred thirty thousand, four hundred eighty".