687152 has 20 divisors (see below), whose sum is σ = 1353336. Its totient is φ = 337920.

The previous prime is 687151. The next prime is 687161. The reversal of 687152 is 251786.

It is a super-2 number, since 2×687152² = 944355742208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (687151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752 + ... + 1392.

2⁶⁸⁷¹⁵² is an apocalyptic number.

It is an amenable number.

687152 is a deficient number, since it is larger than the sum of its proper divisors (666184).

687152 is a wasteful number, since it uses less digits than its factorization.

687152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 710 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 687152 is about 828.9463191305. The cubic root of 687152 is about 88.2438142187.

The spelling of 687152 in words is "six hundred eighty-seven thousand, one hundred fifty-two".