7791604 has 12 divisors (see below), whose sum is σ = 14105700. Its totient is φ = 3761408.

The previous prime is 7791587. The next prime is 7791607. The reversal of 7791604 is 4061977.

It can be written as a sum of positive squares in 2 ways, for example, as 2729104 + 5062500 = 1652^2 + 2250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7791604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7791607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33469 + ... + 33700.

It is an arithmetic number, because the mean of its divisors is an integer number (1175475).

Almost surely, 2^7791604 is an apocalyptic number.

It is an amenable number.

7791604 is a deficient number, since it is larger than the sum of its proper divisors (6314096).

7791604 is a wasteful number, since it uses less digits than its factorization.

7791604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67202 (or 67200 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 7791604 is about 2791.3444789205. The cubic root of 7791604 is about 198.2480650969.

The spelling of 7791604 in words is "seven million, seven hundred ninety-one thousand, six hundred four".