7116405 has 32 divisors (see below), whose sum is σ = 11835264. Its totient is φ = 3649536.

The previous prime is 7116379. The next prime is 7116409. The reversal of 7116405 is 5046117.

It is not a de Polignac number, because 7116405 - 2⁶ = 7116341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7116409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73317 + ... + 73413.

It is an arithmetic number, because the mean of its divisors is an integer number (369852).

Almost surely, 2^7116405 is an apocalyptic number.

It is an amenable number.

7116405 is a deficient number, since it is larger than the sum of its proper divisors (4718859).

7116405 is a wasteful number, since it uses less digits than its factorization.

7116405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7116405 is about 2667.6590861652. The cubic root of 7116405 is about 192.3476503020.

The spelling of 7116405 in words is "seven million, one hundred sixteen thousand, four hundred five".