213662672 has 40 divisors (see below), whose sum is σ = 422253480. Its totient is φ = 104716800.

The previous prime is 213662671. The next prime is 213662677. The reversal of 213662672 is 276266312.

It can be written as a sum of positive squares in 4 ways, for example, as 48385936 + 165276736 = 6956^2 + 12856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213662671) 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, 175538 + ... + 176750.

It is an arithmetic number, because the mean of its divisors is an integer number (10556337).

Almost surely, 2^213662672 is an apocalyptic number.

It is an amenable number.

213662672 is a deficient number, since it is larger than the sum of its proper divisors (208590808).

213662672 is a wasteful number, since it uses less digits than its factorization.

213662672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1425 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 213662672 is about 14617.2046575260. The cubic root of 213662672 is about 597.8279539220.

The spelling of 213662672 in words is "two hundred thirteen million, six hundred sixty-two thousand, six hundred seventy-two".