672724 has 24 divisors (see below), whose sum is σ = 1344168. Its totient is φ = 291840.

The previous prime is 672703. The next prime is 672743. The reversal of 672724 is 427276.

It can be written as a sum of positive squares in 4 ways, for example, as 324 + 672400 = 18^2 + 820^2 .

It is a super-3 number, since 3×672724³ = 913339036698958272, which contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 672692 and 672701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (56007).

2⁶⁷²⁷²⁴ is an apocalyptic number.

It is an amenable number.

672724 is a deficient number, since it is larger than the sum of its proper divisors (671444).

672724 is a wasteful number, since it uses less digits than its factorization.

672724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 793 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 672724 is about 820.1975371824. The cubic root of 672724 is about 87.6218275778.

It can be divided in two parts, 67272 and 4, that added together give a palindrome (67276).

The spelling of 672724 in words is "six hundred seventy-two thousand, seven hundred twenty-four".