732001540 has 24 divisors (see below), whose sum is σ = 1552427352. Its totient is φ = 289900800.

The previous prime is 732001493. The next prime is 732001561. The reversal of 732001540 is 45100237.

It can be written as a sum of positive squares in 4 ways, for example, as 202265284 + 529736256 = 14222^2 + 23016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179169 + ... + 183208.

It is an arithmetic number, because the mean of its divisors is an integer number (64684473).

Almost surely, 2^732001540 is an apocalyptic number.

It is an amenable number.

732001540 is an abundant number, since it is smaller than the sum of its proper divisors (820425812).

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

732001540 is a wasteful number, since it uses less digits than its factorization.

732001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362487 (or 362485 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 732001540 is about 27055.5269769413. The cubic root of 732001540 is about 901.2335102653.

Adding to 732001540 its reverse (45100237), we get a palindrome (777101777).

The spelling of 732001540 in words is "seven hundred thirty-two million, one thousand, five hundred forty".