4681779 has 4 divisors (see below), whose sum is σ = 6242376. Its totient is φ = 3121184.

The previous prime is 4681763. The next prime is 4681793. The reversal of 4681779 is 9771864.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4681779 - 2⁴ = 4681763 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4681779.

It is not an unprimeable number, because it can be changed into a prime (4681739) 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, 780294 + ... + 780299.

It is an arithmetic number, because the mean of its divisors is an integer number (1560594).

Almost surely, 2^4681779 is an apocalyptic number.

4681779 is a deficient number, since it is larger than the sum of its proper divisors (1560597).

4681779 is a wasteful number, since it uses less digits than its factorization.

4681779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560596.

The product of its digits is 84672, while the sum is 42.

The square root of 4681779 is about 2163.7418977318. The cubic root of 4681779 is about 167.2901240087.

It can be divided in two parts, 4681 and 779, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 4681779 in words is "four million, six hundred eighty-one thousand, seven hundred seventy-nine".