672653 has 2 divisors, whose sum is σ = 672654. Its totient is φ = 672652.

The previous prime is 672643. The next prime is 672667. The reversal of 672653 is 356276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 310249 = 602^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672653 is a prime.

It is a d-powerful number, because it can be written as 6³ + 7⁵ + 6⁶ + 2¹⁹ + 5⁷ + 3⁸ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336326 + 336327.

It is an arithmetic number, because the mean of its divisors is an integer number (336327).

2⁶⁷²⁶⁵³ is an apocalyptic number.

It is an amenable number.

672653 is a deficient number, since it is larger than the sum of its proper divisors (1).

672653 is an equidigital number, since it uses as much as digits as its factorization.

672653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 672653 is about 820.1542537840. The cubic root of 672653 is about 87.6187449027.

The spelling of 672653 in words is "six hundred seventy-two thousand, six hundred fifty-three".