7291116 has 36 divisors (see below), whose sum is σ = 21063952. Its totient is φ = 2083104.

The previous prime is 7291111. The next prime is 7291121. The reversal of 7291116 is 6111927.

It is an interprime number because it is at equal distance from previous prime (7291111) and next prime (7291121).

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 7291116.

It is not an unprimeable number, because it can be changed into a prime (7291111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14215 + ... + 14718.

Almost surely, 2^7291116 is an apocalyptic number.

It is an amenable number.

7291116 is an abundant number, since it is smaller than the sum of its proper divisors (13772836).

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

7291116 is a wasteful number, since it uses less digits than its factorization.

7291116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28950 (or 28945 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 7291116 is about 2700.2066587578. The cubic root of 7291116 is about 193.9090160388.

It can be divided in two parts, 72911 and 16, that added together give a palindrome (72927).

The spelling of 7291116 in words is "seven million, two hundred ninety-one thousand, one hundred sixteen".