766240 has 24 divisors (see below), whose sum is σ = 1810620. Its totient is φ = 306432.

The previous prime is 766237. The next prime is 766247. The reversal of 766240 is 42667.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 80656 = 828^2 + 284^2 .

It is not an unprimeable number, because it can be changed into a prime (766247) 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, 2235 + ... + 2554.

2⁷⁶⁶²⁴⁰ is an apocalyptic number.

It is an amenable number.

766240 is an abundant number, since it is smaller than the sum of its proper divisors (1044380).

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

766240 is a wasteful number, since it uses less digits than its factorization.

766240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 766240 is about 875.3513580272. The cubic root of 766240 is about 91.5071311392.

The spelling of 766240 in words is "seven hundred sixty-six thousand, two hundred forty".