673306215 has 16 divisors (see below), whose sum is σ = 1078906848. Its totient is φ = 358557696.

The previous prime is 673306213. The next prime is 673306237. The reversal of 673306215 is 512603376.

It is not a de Polignac number, because 673306215 - 2¹ = 673306213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673306213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23254 + ... + 43443.

It is an arithmetic number, because the mean of its divisors is an integer number (67431678).

Almost surely, 2^673306215 is an apocalyptic number.

673306215 is a deficient number, since it is larger than the sum of its proper divisors (405600633).

673306215 is a wasteful number, since it uses less digits than its factorization.

673306215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67378.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 673306215 is about 25948.1447313676. The cubic root of 673306215 is about 876.4709798705.

The spelling of 673306215 in words is "six hundred seventy-three million, three hundred six thousand, two hundred fifteen".