730532 has 12 divisors (see below), whose sum is σ = 1394736. Its totient is φ = 332040.

The previous prime is 730487. The next prime is 730537. The reversal of 730532 is 235037.

730532 = 44² + 45² + ... + 131².

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (730537) by changing a digit.

730532 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 3 ways as a sum of consecutive naturals, for example, 8258 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (116228).

2⁷³⁰⁵³² is an apocalyptic number.

It is an amenable number.

730532 is a deficient number, since it is larger than the sum of its proper divisors (664204).

730532 is a wasteful number, since it uses less digits than its factorization.

730532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618 (or 16616 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 730532 is about 854.7116472823. The cubic root of 730532 is about 90.0630011556.

Adding to 730532 its reverse (235037), we get a palindrome (965569).

It can be divided in two parts, 7305 and 32, that added together give a palindrome (7337).

The spelling of 730532 in words is "seven hundred thirty thousand, five hundred thirty-two".