867712 has 16 divisors (see below), whose sum is σ = 1728900. Its totient is φ = 433792.

The previous prime is 867701. The next prime is 867719. The reversal of 867712 is 217768.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×867712² = 1505848229888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867719) by changing a digit.

867712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3262 + ... + 3517.

2⁸⁶⁷⁷¹² is an apocalyptic number.

It is an amenable number.

867712 is a deficient number, since it is larger than the sum of its proper divisors (861188).

867712 is an equidigital number, since it uses as much as digits as its factorization.

867712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793 (or 6781 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 867712 is about 931.5106011206. The cubic root of 867712 is about 95.3802671515.

It can be divided in two parts, 8 and 67712, that multiplied together give a square (541696 = 736²).

The spelling of 867712 in words is "eight hundred sixty-seven thousand, seven hundred twelve".