7790961 has 16 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 5043984.

The previous prime is 7790953. The next prime is 7790989. The reversal of 7790961 is 1690977.

It is not a de Polignac number, because 7790961 - 2³ = 7790953 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7790161) 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 15 ways as a sum of consecutive naturals, for example, 16450 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^7790961 is an apocalyptic number.

It is an amenable number.

7790961 is a deficient number, since it is larger than the sum of its proper divisors (2901903).

7790961 is a wasteful number, since it uses less digits than its factorization.

7790961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 7790961 is about 2791.2292990724. The cubic root of 7790961 is about 198.2426114910.

The spelling of 7790961 in words is "seven million, seven hundred ninety thousand, nine hundred sixty-one".