776020 has 48 divisors (see below), whose sum is σ = 1951488. Its totient is φ = 253440.

The previous prime is 776003. The next prime is 776029. The reversal of 776020 is 20677.

It is a junction number, because it is equal to n+sod(n) for n = 775982 and 776000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776029) by changing a digit.

776020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100 + ... + 3340.

It is an arithmetic number, because the mean of its divisors is an integer number (40656).

2⁷⁷⁶⁰²⁰ is an apocalyptic number.

776020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975744).

776020 is an abundant number, since it is smaller than the sum of its proper divisors (1175468).

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

776020 is a wasteful number, since it uses less digits than its factorization.

776020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 776020 is about 880.9199736639. The cubic root of 776020 is about 91.8948073049.

Adding to 776020 its reverse (20677), we get a palindrome (796697).

The spelling of 776020 in words is "seven hundred seventy-six thousand, twenty".