7790620 has 12 divisors (see below), whose sum is σ = 16360344. Its totient is φ = 3116240.

The previous prime is 7790597. The next prime is 7790621. The reversal of 7790620 is 260977.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7790621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194746 + ... + 194785.

It is an arithmetic number, because the mean of its divisors is an integer number (1363362).

Almost surely, 2^7790620 is an apocalyptic number.

It is an amenable number.

7790620 is an abundant number, since it is smaller than the sum of its proper divisors (8569724).

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

7790620 is a wasteful number, since it uses less digits than its factorization.

7790620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389540 (or 389538 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 7790620 is about 2791.1682142071. The cubic root of 7790620 is about 198.2397191770.

The spelling of 7790620 in words is "seven million, seven hundred ninety thousand, six hundred twenty".