672930 has 24 divisors (see below), whose sum is σ = 1749852. Its totient is φ = 179424.

The previous prime is 672913. The next prime is 672937. The reversal of 672930 is 39276.

It can be written as a sum of positive squares in 2 ways, for example, as 641601 + 31329 = 801^2 + 177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 672894 and 672903.

It is not an unprimeable number, because it can be changed into a prime (672937) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3649 + ... + 3828.

2⁶⁷²⁹³⁰ is an apocalyptic number.

672930 is an abundant number, since it is smaller than the sum of its proper divisors (1076922).

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

672930 is a wasteful number, since it uses less digits than its factorization.

672930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 672930 is about 820.3231070743. The cubic root of 672930 is about 87.6307704501.

It can be divided in two parts, 6 and 72930, that multiplied together give a triangular number (437580 = T₉₃₅).

The spelling of 672930 in words is "six hundred seventy-two thousand, nine hundred thirty".