213073347 has 8 divisors (see below), whose sum is σ = 284414656. Its totient is φ = 141890472.

The previous prime is 213073331. The next prime is 213073373. The reversal of 213073347 is 743370312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213073347 - 2⁴ = 213073331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213072347) 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, 36433 + ... + 41874.

It is an arithmetic number, because the mean of its divisors is an integer number (35551832).

Almost surely, 2^213073347 is an apocalyptic number.

213073347 is a deficient number, since it is larger than the sum of its proper divisors (71341309).

213073347 is an equidigital number, since it uses as much as digits as its factorization.

213073347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79217.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 213073347 is about 14597.0321298543. The cubic root of 213073347 is about 597.2778042060.

The spelling of 213073347 in words is "two hundred thirteen million, seventy-three thousand, three hundred forty-seven".