213730967 has 8 divisors (see below), whose sum is σ = 216384000. Its totient is φ = 211093344.

The previous prime is 213730963. The next prime is 213730997. The reversal of 213730967 is 769037312.

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

It is a cyclic number.

It is not a de Polignac number, because 213730967 - 2² = 213730963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213730967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213730961) 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, 25409 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (27048000).

Almost surely, 2^213730967 is an apocalyptic number.

213730967 is a deficient number, since it is larger than the sum of its proper divisors (2653033).

213730967 is a wasteful number, since it uses less digits than its factorization.

213730967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 213730967 is about 14619.5405878571. The cubic root of 213730967 is about 597.8916435850.

The spelling of 213730967 in words is "two hundred thirteen million, seven hundred thirty thousand, nine hundred sixty-seven".