7916505 has 16 divisors (see below), whose sum is σ = 12714624. Its totient is φ = 4206080.

The previous prime is 7916473. The next prime is 7916533. The reversal of 7916505 is 5056197.

It is not a de Polignac number, because 7916505 - 2⁵ = 7916473 is a prime.

7916505 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3817 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (794664).

Almost surely, 2^7916505 is an apocalyptic number.

It is an amenable number.

7916505 is a deficient number, since it is larger than the sum of its proper divisors (4798119).

7916505 is a wasteful number, since it uses less digits than its factorization.

7916505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 7916505 is about 2813.6284402884. The cubic root of 7916505 is about 199.3017735693.

The spelling of 7916505 in words is "seven million, nine hundred sixteen thousand, five hundred five".