672550 has 12 divisors (see below), whose sum is σ = 1251036. Its totient is φ = 269000.

The previous prime is 672521. The next prime is 672557. The reversal of 672550 is 55276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672557) by changing a digit.

672550 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 5 ways as a sum of consecutive naturals, for example, 6676 + ... + 6775.

It is an arithmetic number, because the mean of its divisors is an integer number (104253).

2⁶⁷²⁵⁵⁰ is an apocalyptic number.

672550 is a deficient number, since it is larger than the sum of its proper divisors (578486).

672550 is a wasteful number, since it uses less digits than its factorization.

672550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463 (or 13458 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 672550 is about 820.0914583143. The cubic root of 672550 is about 87.6142724672.

The spelling of 672550 in words is "six hundred seventy-two thousand, five hundred fifty".