7920479 has 16 divisors (see below), whose sum is σ = 9488448. Its totient is φ = 6469632.

The previous prime is 7920467. The next prime is 7920481. The reversal of 7920479 is 9740297.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7920479 - 2⁴ = 7920463 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 (7920449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13439 + ... + 14015.

It is an arithmetic number, because the mean of its divisors is an integer number (593028).

Almost surely, 2^7920479 is an apocalyptic number.

7920479 is a deficient number, since it is larger than the sum of its proper divisors (1567969).

7920479 is a wasteful number, since it uses less digits than its factorization.

7920479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 7920479 is about 2814.3345572266. The cubic root of 7920479 is about 199.3351171030.

The spelling of 7920479 in words is "seven million, nine hundred twenty thousand, four hundred seventy-nine".