673465 has 12 divisors (see below), whose sum is σ = 876204. Its totient is φ = 496704.

The previous prime is 673459. The next prime is 673469. The reversal of 673465 is 564376.

673465 = T₁₆₆ + T₁₆₇ + ... + T₂₀₄.

673465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 137641 + 535824 = 371^2 + 732^2 .

It is not a de Polignac number, because 673465 - 2³ = 673457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (73017).

2⁶⁷³⁴⁶⁵ is an apocalyptic number.

673465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

673465 is a deficient number, since it is larger than the sum of its proper divisors (202739).

673465 is a wasteful number, since it uses less digits than its factorization.

673465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 815 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 673465 is about 820.6491333085. The cubic root of 673465 is about 87.6539873490.

The spelling of 673465 in words is "six hundred seventy-three thousand, four hundred sixty-five".