7120779 has 8 divisors (see below), whose sum is σ = 9527952. Its totient is φ = 4730400.

The previous prime is 7120741. The next prime is 7120781. The reversal of 7120779 is 9770217.

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

It is not a de Polignac number, because 7120779 - 2⁸ = 7120523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7120279) 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, 3172 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (1190994).

Almost surely, 2^7120779 is an apocalyptic number.

7120779 is a deficient number, since it is larger than the sum of its proper divisors (2407173).

7120779 is a wasteful number, since it uses less digits than its factorization.

7120779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397.

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 7120779 is about 2668.4787801292. The cubic root of 7120779 is about 192.3870501727.

It can be divided in two parts, 7 and 120779, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 7120779 in words is "seven million, one hundred twenty thousand, seven hundred seventy-nine".