770056 has 16 divisors (see below), whose sum is σ = 1650240. Its totient is φ = 330000.

The previous prime is 770053. The next prime is 770057. The reversal of 770056 is 650077.

It is a super-3 number, since 3×770056³ = 1369897843333006848, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 770056.

It is not an unprimeable number, because it can be changed into a prime (770053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6820 + ... + 6931.

It is an arithmetic number, because the mean of its divisors is an integer number (103140).

2⁷⁷⁰⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

770056 is an abundant number, since it is smaller than the sum of its proper divisors (880184).

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

770056 is a wasteful number, since it uses less digits than its factorization.

770056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764 (or 13760 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 770056 is about 877.5283471205. The cubic root of 770056 is about 91.6587864668.

The spelling of 770056 in words is "seven hundred seventy thousand, fifty-six".