687062 has 4 divisors (see below), whose sum is σ = 1030596. Its totient is φ = 343530.

The previous prime is 687061. The next prime is 687073. The reversal of 687062 is 260786.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 687062.

It is not an unprimeable number, because it can be changed into a prime (687061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171764 + ... + 171767.

It is an arithmetic number, because the mean of its divisors is an integer number (257649).

2⁶⁸⁷⁰⁶² is an apocalyptic number.

687062 is a deficient number, since it is larger than the sum of its proper divisors (343534).

687062 is a wasteful number, since it uses less digits than its factorization.

687062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343533.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 687062 is about 828.8920315699. The cubic root of 687062 is about 88.2399614612.

The spelling of 687062 in words is "six hundred eighty-seven thousand, sixty-two".