7790947 has 8 divisors (see below), whose sum is σ = 8405856. Its totient is φ = 7193472.

The previous prime is 7790929. The next prime is 7790953. The reversal of 7790947 is 7490977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7790947 - 2⁷ = 7790819 is a prime.

It is a Duffinian number.

7790947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7790917) 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 7 ways as a sum of consecutive naturals, for example, 3423 + ... + 5224.

It is an arithmetic number, because the mean of its divisors is an integer number (1050732).

Almost surely, 2^7790947 is an apocalyptic number.

7790947 is a deficient number, since it is larger than the sum of its proper divisors (614909).

7790947 is a wasteful number, since it uses less digits than its factorization.

7790947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 7790947 is about 2791.2267912156. The cubic root of 7790947 is about 198.2424927466.

The spelling of 7790947 in words is "seven million, seven hundred ninety thousand, nine hundred forty-seven".