7287020 has 24 divisors (see below), whose sum is σ = 16480464. Its totient is φ = 2690496.

The previous prime is 7287019. The next prime is 7287029. The reversal of 7287020 is 207827.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (7287029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13754 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (686686).

Almost surely, 2^7287020 is an apocalyptic number.

It is an amenable number.

7287020 is an abundant number, since it is smaller than the sum of its proper divisors (9193444).

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

7287020 is a wasteful number, since it uses less digits than its factorization.

7287020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28049 (or 28047 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 7287020 is about 2699.4480917402. The cubic root of 7287020 is about 193.8726978626.

The spelling of 7287020 in words is "seven million, two hundred eighty-seven thousand, twenty".