213275744 has 96 divisors (see below), whose sum is σ = 502135200. Its totient is φ = 88023040.

The previous prime is 213275701. The next prime is 213275759. The reversal of 213275744 is 447572312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172922 + ... + 174150.

It is an arithmetic number, because the mean of its divisors is an integer number (5230575).

Almost surely, 2^213275744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213275744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251067600).

213275744 is an abundant number, since it is smaller than the sum of its proper divisors (288859456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213275744 is a wasteful number, since it uses less digits than its factorization.

213275744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1288 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 213275744 is about 14603.9632976805. The cubic root of 213275744 is about 597.4668611372.

The spelling of 213275744 in words is "two hundred thirteen million, two hundred seventy-five thousand, seven hundred forty-four".