7282987 has 4 divisors (see below), whose sum is σ = 7711416. Its totient is φ = 6854560.

The previous prime is 7282981. The next prime is 7282997. The reversal of 7282987 is 7892827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7282987 - 2¹⁵ = 7250219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7282981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214189 + ... + 214222.

It is an arithmetic number, because the mean of its divisors is an integer number (1927854).

Almost surely, 2^7282987 is an apocalyptic number.

7282987 is a deficient number, since it is larger than the sum of its proper divisors (428429).

7282987 is a wasteful number, since it uses less digits than its factorization.

7282987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428428.

The product of its digits is 112896, while the sum is 43.

The square root of 7282987 is about 2698.7009838068. The cubic root of 7282987 is about 193.8369249915.

The spelling of 7282987 in words is "seven million, two hundred eighty-two thousand, nine hundred eighty-seven".