723532 has 6 divisors (see below), whose sum is σ = 1266188. Its totient is φ = 361764.

The previous prime is 723529. The next prime is 723551. The reversal of 723532 is 235327.

It is a happy number.

It is a d-powerful number, because it can be written as 7⁴ + 2³ + 5 + 3⁹ + 3¹¹ + 2¹⁹ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90438 + ... + 90445.

2⁷²³⁵³² is an apocalyptic number.

It is an amenable number.

723532 is a deficient number, since it is larger than the sum of its proper divisors (542656).

723532 is a wasteful number, since it uses less digits than its factorization.

723532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180887 (or 180885 counting only the distinct ones).

The product of its digits is 1260, while the sum is 22.

The square root of 723532 is about 850.6068422015. The cubic root of 723532 is about 89.7744144648.

Adding to 723532 its reverse (235327), we get a palindrome (958859).

The spelling of 723532 in words is "seven hundred twenty-three thousand, five hundred thirty-two".