8726320 has 40 divisors (see below), whose sum is σ = 21360240. Its totient is φ = 3306240.

The previous prime is 8726273. The next prime is 8726323. The reversal of 8726320 is 236278.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×8726320² = 152297321484800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁵ + 7⁵ + 2¹³ + 6⁷ + 3² + 2²³ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8726323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 4390.

It is an arithmetic number, because the mean of its divisors is an integer number (534006).

Almost surely, 2^8726320 is an apocalyptic number.

8726320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8726320 is an abundant number, since it is smaller than the sum of its proper divisors (12633920).

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

8726320 is a wasteful number, since it uses less digits than its factorization.

8726320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 8726320 is about 2954.0345292498. The cubic root of 8726320 is about 205.8782074555.

The spelling of 8726320 in words is "eight million, seven hundred twenty-six thousand, three hundred twenty".