684325480 has 32 divisors (see below), whose sum is σ = 1630306440. Its totient is φ = 257628160.

The previous prime is 684325459. The next prime is 684325487. The reversal of 684325480 is 84523486.

684325480 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 4 ways, for example, as 520843684 + 163481796 = 22822^2 + 12786^2 .

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

It is not an unprimeable number, because it can be changed into a prime (684325487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502501 + ... + 503860.

Almost surely, 2^684325480 is an apocalyptic number.

It is an amenable number.

684325480 is an abundant number, since it is smaller than the sum of its proper divisors (945980960).

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

684325480 is a wasteful number, since it uses less digits than its factorization.

684325480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006389 (or 1006385 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 684325480 is about 26159.6154405985. The cubic root of 684325480 is about 881.2265437816.

It can be divided in two parts, 6843 and 25480, that added together give a palindrome (32323).

The spelling of 684325480 in words is "six hundred eighty-four million, three hundred twenty-five thousand, four hundred eighty".