7799140 has 12 divisors (see below), whose sum is σ = 16378236. Its totient is φ = 3119648.

The previous prime is 7799131. The next prime is 7799153. The reversal of 7799140 is 419977.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 6937956 = 928^2 + 2634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7799140.

It is a congruent number.

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, 194959 + ... + 194998.

It is an arithmetic number, because the mean of its divisors is an integer number (1364853).

Almost surely, 2^7799140 is an apocalyptic number.

It is an amenable number.

7799140 is an abundant number, since it is smaller than the sum of its proper divisors (8579096).

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

7799140 is a wasteful number, since it uses less digits than its factorization.

7799140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389966 (or 389964 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 7799140 is about 2792.6940398117. The cubic root of 7799140 is about 198.3119593441.

The spelling of 7799140 in words is "seven million, seven hundred ninety-nine thousand, one hundred forty".