6790420 has 108 divisors (see below), whose sum is σ = 18400284. Its totient is φ = 2096640.

The previous prime is 6790411. The next prime is 6790471. The reversal of 6790420 is 240976.

6790420 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 6 ways, for example, as 3111696 + 3678724 = 1764^2 + 1918^2 .

It is a super-2 number, since 2×6790420² = 92219607552800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165600 + ... + 165640.

It is an arithmetic number, because the mean of its divisors is an integer number (170373).

Almost surely, 2^6790420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6790420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9200142).

6790420 is an abundant number, since it is smaller than the sum of its proper divisors (11609864).

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

6790420 is a wasteful number, since it uses less digits than its factorization.

6790420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6790420 is about 2605.8434335163. The cubic root of 6790420 is about 189.3646367052.

The spelling of 6790420 in words is "six million, seven hundred ninety thousand, four hundred twenty".