770790 has 16 divisors (see below), whose sum is σ = 1849968. Its totient is φ = 205536.

The previous prime is 770789. The next prime is 770801. The reversal of 770790 is 97077.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 25693 = 770790 / (7 + 7 + 0 + 7 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12817 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (115623).

2⁷⁷⁰⁷⁹⁰ is an apocalyptic number.

770790 is an abundant number, since it is smaller than the sum of its proper divisors (1079178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770790 is a wasteful number, since it uses less digits than its factorization.

770790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25703.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 770790 is about 877.9464676163. The cubic root of 770790 is about 91.6878995809.

The spelling of 770790 in words is "seven hundred seventy thousand, seven hundred ninety".