213191472 has 120 divisors (see below), whose sum is σ = 611867088. Its totient is φ = 63897600.

The previous prime is 213191423. The next prime is 213191477. The reversal of 213191472 is 274191312.

It is a super-3 number, since 3×213191472³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (213191477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332272 + ... + 332912.

Almost surely, 2^213191472 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 213191472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305933544).

213191472 is an abundant number, since it is smaller than the sum of its proper divisors (398675616).

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

213191472 is a wasteful number, since it uses less digits than its factorization.

213191472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 700 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 213191472 is about 14601.0777684389. The cubic root of 213191472 is about 597.3881580782.

It can be divided in two parts, 21319 and 1472, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 213191472 in words is "two hundred thirteen million, one hundred ninety-one thousand, four hundred seventy-two".