672500 has 30 divisors (see below), whose sum is σ = 1476090. Its totient is φ = 268000.

The previous prime is 672499. The next prime is 672521. The reversal of 672500 is 5276.

It can be written as a sum of positive squares in 5 ways, for example, as 438244 + 234256 = 662^2 + 484^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2366 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (49203).

2⁶⁷²⁵⁰⁰ 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 672500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738045).

672500 is an abundant number, since it is smaller than the sum of its proper divisors (803590).

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

672500 is a wasteful number, since it uses less digits than its factorization.

672500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 672500 is about 820.0609733428. The cubic root of 672500 is about 87.6121012174.

Adding to 672500 its reverse (5276), we get a palindrome (677776).

The spelling of 672500 in words is "six hundred seventy-two thousand, five hundred".