7286520 has 64 divisors (see below), whose sum is σ = 22407840. Its totient is φ = 1894400.

The previous prime is 7286501. The next prime is 7286537. The reversal of 7286520 is 256827.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4180 + ... + 5660.

Almost surely, 2^7286520 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 7286520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11203920).

7286520 is an abundant number, since it is smaller than the sum of its proper divisors (15121320).

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

7286520 is a wasteful number, since it uses less digits than its factorization.

7286520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 7286520 is about 2699.3554786282. The cubic root of 7286520 is about 193.8682635595.

The spelling of 7286520 in words is "seven million, two hundred eighty-six thousand, five hundred twenty".