724132 has 24 divisors (see below), whose sum is σ = 1403136. Its totient is φ = 325248.

The previous prime is 724123. The next prime is 724153. The reversal of 724132 is 231427.

It is an unprimeable number.

724132 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (58464).

2⁷²⁴¹³² is an apocalyptic number.

It is an amenable number.

724132 is a deficient number, since it is larger than the sum of its proper divisors (679004).

724132 is a wasteful number, since it uses less digits than its factorization.

724132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 505 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 724132 is about 850.9594584938. The cubic root of 724132 is about 89.7992232114.

Adding to 724132 its reverse (231427), we get a palindrome (955559).

The spelling of 724132 in words is "seven hundred twenty-four thousand, one hundred thirty-two".