673480 has 32 divisors (see below), whose sum is σ = 1539000. Its totient is φ = 265216.

The previous prime is 673469. The next prime is 673487. The reversal of 673480 is 84376.

It can be written as a sum of positive squares in 4 ways, for example, as 191844 + 481636 = 438^2 + 694^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (673487) 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, 4446 + ... + 4594.

2⁶⁷³⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

673480 is an abundant number, since it is smaller than the sum of its proper divisors (865520).

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

673480 is a wasteful number, since it uses less digits than its factorization.

673480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 673480 is about 820.6582723643. The cubic root of 673480 is about 87.6546381128.

The spelling of 673480 in words is "six hundred seventy-three thousand, four hundred eighty".