7920623 has 6 divisors (see below), whose sum is σ = 8414256. Its totient is φ = 7454432.

The previous prime is 7920613. The next prime is 7920629. The reversal of 7920623 is 3260297.

7920623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7920623 - 2⁶ = 7920559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13415 + ... + 13992.

It is an arithmetic number, because the mean of its divisors is an integer number (1402376).

Almost surely, 2^7920623 is an apocalyptic number.

7920623 is a deficient number, since it is larger than the sum of its proper divisors (493633).

7920623 is a wasteful number, since it uses less digits than its factorization.

7920623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27441 (or 27424 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 7920623 is about 2814.3601404227. The cubic root of 7920623 is about 199.3363251143.

It can be divided in two parts, 79 and 20623, that added together give a palindrome (20702).

The spelling of 7920623 in words is "seven million, nine hundred twenty thousand, six hundred twenty-three".