684062532 has 36 divisors (see below), whose sum is σ = 1771336476. Its totient is φ = 222458880.

The previous prime is 684062521. The next prime is 684062539. The reversal of 684062532 is 235260486.

684062532 is a `hidden beast` number, since 68 + 4 + 0 + 62 + 532 = 666.

684062532 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 99680256 + 584382276 = 9984^2 + 24174^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (684062539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230253 + ... + 233204.

It is an arithmetic number, because the mean of its divisors is an integer number (49203791).

Almost surely, 2^684062532 is an apocalyptic number.

It is an amenable number.

684062532 is an abundant number, since it is smaller than the sum of its proper divisors (1087273944).

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

684062532 is a wasteful number, since it uses less digits than its factorization.

684062532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463508 (or 463503 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 684062532 is about 26154.5891193114. The cubic root of 684062532 is about 881.1136606341.

The spelling of 684062532 in words is "six hundred eighty-four million, sixty-two thousand, five hundred thirty-two".