672685 has 16 divisors (see below), whose sum is σ = 887040. Its totient is φ = 486720.

The previous prime is 672667. The next prime is 672703. The reversal of 672685 is 586276.

672685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (672667) and next prime (672703).

It is not a de Polignac number, because 672685 - 2⁵ = 672653 is a prime.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 672685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5070 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2⁶⁷²⁶⁸⁵ is an apocalyptic number.

672685 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

672685 is a deficient number, since it is larger than the sum of its proper divisors (214355).

672685 is a wasteful number, since it uses less digits than its factorization.

672685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its digits is 20160, while the sum is 34.

The square root of 672685 is about 820.1737620773. The cubic root of 672685 is about 87.6201343042.

It can be divided in two parts, 672 and 685, that multiplied together give a triangular number (460320 = T₉₅₉).

The spelling of 672685 in words is "six hundred seventy-two thousand, six hundred eighty-five".