687873324 has 24 divisors (see below), whose sum is σ = 1608320448. Its totient is φ = 228822160.

The previous prime is 687873323. The next prime is 687873349. The reversal of 687873324 is 423378786.

It is not an unprimeable number, because it can be changed into a prime (687873323) 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, 52482 + ... + 64265.

It is an arithmetic number, because the mean of its divisors is an integer number (67013352).

Almost surely, 2^687873324 is an apocalyptic number.

It is an amenable number.

687873324 is an abundant number, since it is smaller than the sum of its proper divisors (920447124).

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

687873324 is a wasteful number, since it uses less digits than its factorization.

687873324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117245 (or 117243 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 687873324 is about 26227.3392474342. The cubic root of 687873324 is about 882.7468081073.

The spelling of 687873324 in words is "six hundred eighty-seven million, eight hundred seventy-three thousand, three hundred twenty-four".