772770 has 16 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 206064.

The previous prime is 772757. The next prime is 772771. The reversal of 772770 is 77277.

772770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 25759 = 772770 / (7 + 7 + 2 + 7 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (772771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12850 + ... + 12909.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2⁷⁷²⁷⁷⁰ is an apocalyptic number.

772770 is an abundant number, since it is smaller than the sum of its proper divisors (1081950).

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

772770 is a wasteful number, since it uses less digits than its factorization.

772770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25769.

The product of its (nonzero) digits is 4802, while the sum is 30.

The square root of 772770 is about 879.0733757770. The cubic root of 772770 is about 91.7663415321.

The spelling of 772770 in words is "seven hundred seventy-two thousand, seven hundred seventy", and thus it is an iban number.