724542532 has 12 divisors (see below), whose sum is σ = 1449085120. Its totient is φ = 310518216.

The previous prime is 724542461. The next prime is 724542541. The reversal of 724542532 is 235245427.

724542532 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12938232 + ... + 12938287.

Almost surely, 2^724542532 is an apocalyptic number.

It is an amenable number.

724542532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

724542532 is a wasteful number, since it uses less digits than its factorization.

724542532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25876530 (or 25876528 counting only the distinct ones).

The product of its digits is 67200, while the sum is 34.

The square root of 724542532 is about 26917.3277276924. The cubic root of 724542532 is about 898.1618995698.

Adding to 724542532 its reverse (235245427), we get a palindrome (959787959).

The spelling of 724542532 in words is "seven hundred twenty-four million, five hundred forty-two thousand, five hundred thirty-two".