779242 has 4 divisors (see below), whose sum is σ = 1168866. Its totient is φ = 389620.

The previous prime is 779239. The next prime is 779249. The reversal of 779242 is 242977.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 641601 + 137641 = 801^2 + 371^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (779249) 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 as a sum of consecutive naturals, namely, 194809 + ... + 194812.

2⁷⁷⁹²⁴² is an apocalyptic number.

779242 is a deficient number, since it is larger than the sum of its proper divisors (389624).

779242 is a wasteful number, since it uses less digits than its factorization.

779242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389623.

The product of its digits is 7056, while the sum is 31.

The square root of 779242 is about 882.7468493288. The cubic root of 779242 is about 92.0218127233.

The spelling of 779242 in words is "seven hundred seventy-nine thousand, two hundred forty-two".