7920790 has 16 divisors (see below), whose sum is σ = 14605920. Its totient is φ = 3090880.

The previous prime is 7920767. The next prime is 7920791. The reversal of 7920790 is 970297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920791) 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, 9250 + ... + 10069.

It is an arithmetic number, because the mean of its divisors is an integer number (912870).

Almost surely, 2^7920790 is an apocalyptic number.

7920790 is a deficient number, since it is larger than the sum of its proper divisors (6685130).

7920790 is a wasteful number, since it uses less digits than its factorization.

7920790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19367.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 7920790 is about 2814.3898095324. The cubic root of 7920790 is about 199.3377260534.

It can be divided in two parts, 79207 and 90, that added together give a palindrome (79297).

The spelling of 7920790 in words is "seven million, nine hundred twenty thousand, seven hundred ninety".