687275372 has 36 divisors (see below), whose sum is σ = 1472740920. Its totient is φ = 279042624.

The previous prime is 687275339. The next prime is 687275383. The reversal of 687275372 is 273572786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88553 + ... + 96000.

It is an arithmetic number, because the mean of its divisors is an integer number (40909470).

Almost surely, 2^687275372 is an apocalyptic number.

It is an amenable number.

687275372 is an abundant number, since it is smaller than the sum of its proper divisors (785465548).

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

687275372 is a wasteful number, since it uses less digits than its factorization.

687275372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184590 (or 184581 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The square root of 687275372 is about 26215.9373664189. The cubic root of 687275372 is about 882.4909503201.

The spelling of 687275372 in words is "six hundred eighty-seven million, two hundred seventy-five thousand, three hundred seventy-two".