672798 has 32 divisors (see below), whose sum is σ = 1564416. Its totient is φ = 188928.

The previous prime is 672787. The next prime is 672799. The reversal of 672798 is 897276.

It is an Ulam number.

Its product of digits (42336) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672799) by changing a digit.

672798 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 15 ways as a sum of consecutive naturals, for example, 3390 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (48888).

2⁶⁷²⁷⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782208).

672798 is an abundant number, since it is smaller than the sum of its proper divisors (891618).

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

672798 is a wasteful number, since it uses less digits than its factorization.

672798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 42336, while the sum is 39.

The square root of 672798 is about 820.2426470259. The cubic root of 672798 is about 87.6250402760.

The spelling of 672798 in words is "six hundred seventy-two thousand, seven hundred ninety-eight".