776480 has 48 divisors (see below), whose sum is σ = 1923264. Its totient is φ = 295680.

The previous prime is 776471. The next prime is 776483. The reversal of 776480 is 84677.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (776483) by changing a digit.

776480 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 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (40068).

2⁷⁷⁶⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 776480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961632).

776480 is an abundant number, since it is smaller than the sum of its proper divisors (1146784).

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

776480 is a wasteful number, since it uses less digits than its factorization.

776480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 776480 is about 881.1810256695. The cubic root of 776480 is about 91.9129611590.

The spelling of 776480 in words is "seven hundred seventy-six thousand, four hundred eighty".