7716345 has 32 divisors (see below), whose sum is σ = 15197952. Its totient is φ = 3255552.

The previous prime is 7716343. The next prime is 7716353. The reversal of 7716345 is 5436177.

It is not a de Polignac number, because 7716345 - 2¹ = 7716343 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 7⁸ + 1 + 6⁴ + 3 + 4¹⁰ + 5⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7716341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1462 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (474936).

Almost surely, 2^7716345 is an apocalyptic number.

It is an amenable number.

7716345 is a deficient number, since it is larger than the sum of its proper divisors (7481607).

7716345 is a wasteful number, since it uses less digits than its factorization.

7716345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681.

The product of its digits is 17640, while the sum is 33.

The square root of 7716345 is about 2777.8309883792. The cubic root of 7716345 is about 197.6077071005.

The spelling of 7716345 in words is "seven million, seven hundred sixteen thousand, three hundred forty-five".