776040 has 64 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 198912.

The previous prime is 776029. The next prime is 776047. The reversal of 776040 is 40677.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 776040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁷⁷⁶⁰⁴⁰ 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 776040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

776040 is an abundant number, since it is smaller than the sum of its proper divisors (1643160).

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

776040 is a wasteful number, since it uses less digits than its factorization.

776040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 776040 is about 880.9313253597. The cubic root of 776040 is about 91.8955967520.

The spelling of 776040 in words is "seven hundred seventy-six thousand, forty".