213753673 has 16 divisors (see below), whose sum is σ = 247620096. Its totient is φ = 180734400.

The previous prime is 213753671. The next prime is 213753677. The reversal of 213753673 is 376357312.

It is not a de Polignac number, because 213753673 - 2¹ = 213753671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213753671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327015 + ... + 327667.

It is an arithmetic number, because the mean of its divisors is an integer number (15476256).

Almost surely, 2^213753673 is an apocalyptic number.

It is an amenable number.

213753673 is a deficient number, since it is larger than the sum of its proper divisors (33866423).

213753673 is a wasteful number, since it uses less digits than its factorization.

213753673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its digits is 79380, while the sum is 37.

The square root of 213753673 is about 14620.3171306234. The cubic root of 213753673 is about 597.9128154460.

The spelling of 213753673 in words is "two hundred thirteen million, seven hundred fifty-three thousand, six hundred seventy-three".