672402 has 8 divisors (see below), whose sum is σ = 1344816. Its totient is φ = 224132.

The previous prime is 672379. The next prime is 672439. The reversal of 672402 is 204276.

It is a happy number.

672402 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

672402 is an admirable number.

It is an unprimeable number.

672402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56028 + ... + 56039.

It is an arithmetic number, because the mean of its divisors is an integer number (168102).

2⁶⁷²⁴⁰² is an apocalyptic number.

672402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

672402 is a wasteful number, since it uses less digits than its factorization.

672402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112072.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 672402 is about 820.0012195113. The cubic root of 672402 is about 87.6078452556.

Adding to 672402 its reverse (204276), we get a palindrome (876678).

The spelling of 672402 in words is "six hundred seventy-two thousand, four hundred two".