7281316 has 12 divisors (see below), whose sum is σ = 14562688. Its totient is φ = 3120552.

The previous prime is 7281301. The next prime is 7281353. The reversal of 7281316 is 6131827.

7281316 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 260047 = 7281316 / (7 + 2 + 8 + 1 + 3 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129996 + ... + 130051.

Almost surely, 2^7281316 is an apocalyptic number.

It is an amenable number.

7281316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7281316 is a wasteful number, since it uses less digits than its factorization.

7281316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260058 (or 260056 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 7281316 is about 2698.3913726515. The cubic root of 7281316 is about 193.8220992853.

The spelling of 7281316 in words is "seven million, two hundred eighty-one thousand, three hundred sixteen".