687452604 has 48 divisors (see below), whose sum is σ = 1691020800. Its totient is φ = 216763776.

The previous prime is 687452599. The next prime is 687452611. The reversal of 687452604 is 406254786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182589 + ... + 186315.

It is an arithmetic number, because the mean of its divisors is an integer number (35229600).

Almost surely, 2^687452604 is an apocalyptic number.

It is an amenable number.

687452604 is an abundant number, since it is smaller than the sum of its proper divisors (1003568196).

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

687452604 is a wasteful number, since it uses less digits than its factorization.

687452604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 687452604 is about 26219.3173824186. The cubic root of 687452604 is about 882.5668016212.

The spelling of 687452604 in words is "six hundred eighty-seven million, four hundred fifty-two thousand, six hundred four".