767280 has 80 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 194304.

The previous prime is 767279. The next prime is 767287. The reversal of 767280 is 82767.

767280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (767287) 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, 5451 + ... + 5589.

It is an arithmetic number, because the mean of its divisors is an integer number (31248).

2⁷⁶⁷²⁸⁰ 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 767280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249920).

767280 is an abundant number, since it is smaller than the sum of its proper divisors (1732560).

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

767280 is a wasteful number, since it uses less digits than its factorization.

767280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 767280 is about 875.9452037656. The cubic root of 767280 is about 91.5485126005.

The spelling of 767280 in words is "seven hundred sixty-seven thousand, two hundred eighty".