767284240 has 20 divisors (see below), whose sum is σ = 1783936044. Its totient is φ = 306913664.

The previous prime is 767284213. The next prime is 767284247. The reversal of 767284240 is 42482767.

767284240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118461456 + 648822784 = 10884^2 + 25472^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 767284193 and 767284202.

It is not an unprimeable number, because it can be changed into a prime (767284247) 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, 4795447 + ... + 4795606.

Almost surely, 2^767284240 is an apocalyptic number.

It is an amenable number.

767284240 is an abundant number, since it is smaller than the sum of its proper divisors (1016651804).

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

767284240 is a wasteful number, since it uses less digits than its factorization.

767284240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591066 (or 9591060 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 767284240 is about 27699.8960286857. The cubic root of 767284240 is about 915.4868123294.

The spelling of 767284240 in words is "seven hundred sixty-seven million, two hundred eighty-four thousand, two hundred forty".