7826280 has 192 divisors, whose sum is σ = 30041280. Its totient is φ = 1626240.

The previous prime is 7826261. The next prime is 7826281. The reversal of 7826280 is 826287.

It is a super-2 number, since 2×7826280² = 122501317276800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7826281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 711475 + ... + 711485.

It is an arithmetic number, because the mean of its divisors is an integer number (156465).

Almost surely, 2^7826280 is an apocalyptic number.

7826280 is a gapful number since it is divisible by the number (70) 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 7826280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15020640).

7826280 is an abundant number, since it is smaller than the sum of its proper divisors (22215000).

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

7826280 is a wasteful number, since it uses less digits than its factorization.

7826280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 7826280 is about 2797.5489271861. The cubic root of 7826280 is about 198.5417263660.

The spelling of 7826280 in words is "seven million, eight hundred twenty-six thousand, two hundred eighty".