412721532 has 36 divisors (see below), whose sum is σ = 1071468216. Its totient is φ = 133855200.

The previous prime is 412721513. The next prime is 412721537. The reversal of 412721532 is 235127214.

412721532 is a `hidden beast` number, since 4 + 127 + 2 + 1 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 412721496 and 412721505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412721537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153594 + ... + 156257.

It is an arithmetic number, because the mean of its divisors is an integer number (29763006).

Almost surely, 2^412721532 is an apocalyptic number.

It is an amenable number.

412721532 is an abundant number, since it is smaller than the sum of its proper divisors (658746684).

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

412721532 is a wasteful number, since it uses less digits than its factorization.

412721532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309898 (or 309893 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 412721532 is about 20315.5490203932. The cubic root of 412721532 is about 744.5360124554.

Adding to 412721532 its reverse (235127214), we get a palindrome (647848746).

The spelling of 412721532 in words is "four hundred twelve million, seven hundred twenty-one thousand, five hundred thirty-two".