732775640 has 16 divisors (see below), whose sum is σ = 1648745280. Its totient is φ = 293110240.

The previous prime is 732775627. The next prime is 732775643. The reversal of 732775640 is 46577237.

732775640 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732775643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9159656 + ... + 9159735.

It is an arithmetic number, because the mean of its divisors is an integer number (103046580).

Almost surely, 2^732775640 is an apocalyptic number.

It is an amenable number.

732775640 is an abundant number, since it is smaller than the sum of its proper divisors (915969640).

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

732775640 is a wasteful number, since it uses less digits than its factorization.

732775640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319402 (or 18319398 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 732775640 is about 27069.8289614102. The cubic root of 732775640 is about 901.5510865927.

The spelling of 732775640 in words is "seven hundred thirty-two million, seven hundred seventy-five thousand, six hundred forty".