7521282 has 32 divisors (see below), whose sum is σ = 17256960. Its totient is φ = 2425680.

The previous prime is 7521281. The next prime is 7521287. The reversal of 7521282 is 2821257.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7521281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (539280).

Almost surely, 2^7521282 is an apocalyptic number.

7521282 is an abundant number, since it is smaller than the sum of its proper divisors (9735678).

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

7521282 is a wasteful number, since it uses less digits than its factorization.

7521282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4529 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 7521282 is about 2742.4955788478. The cubic root of 7521282 is about 195.9283543498.

The spelling of 7521282 in words is "seven million, five hundred twenty-one thousand, two hundred eighty-two".