672336 has 120 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 177408.

The previous prime is 672323. The next prime is 672341. The reversal of 672336 is 633276.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

672336 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 in 23 ways as a sum of consecutive naturals, for example, 23170 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (19344).

2⁶⁷²³³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160640).

672336 is an abundant number, since it is smaller than the sum of its proper divisors (1648944).

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

672336 is a wasteful number, since it uses less digits than its factorization.

672336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 64 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 672336 is about 819.9609746811. The cubic root of 672336 is about 87.6049787625.

Subtracting from 672336 its reverse (633276), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 672336 in words is "six hundred seventy-two thousand, three hundred thirty-six".