672434 has 16 divisors (see below), whose sum is σ = 1180608. Its totient is φ = 281232.

The previous prime is 672379. The next prime is 672439. The reversal of 672434 is 434276.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁷ + 7⁶ + 4⁶ + 2¹¹ + 3⁸ + 4⁹ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (73788).

2⁶⁷²⁴³⁴ is an apocalyptic number.

672434 is a deficient number, since it is larger than the sum of its proper divisors (508174).

672434 is a wasteful number, since it uses less digits than its factorization.

672434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 4032, while the sum is 26.

The square root of 672434 is about 820.0207314452. The cubic root of 672434 is about 87.6092350028.

The spelling of 672434 in words is "six hundred seventy-two thousand, four hundred thirty-four".