732173040 has 160 divisors (see below), whose sum is σ = 2580906240. Its totient is φ = 190681344.

The previous prime is 732173023. The next prime is 732173041. The reversal of 732173040 is 40371237.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 732172995 and 732173013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732173041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 88939 + ... + 96821.

It is an arithmetic number, because the mean of its divisors is an integer number (16130664).

Almost surely, 2^732173040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 732173040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290453120).

732173040 is an abundant number, since it is smaller than the sum of its proper divisors (1848733200).

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

732173040 is a wasteful number, since it uses less digits than its factorization.

732173040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948 (or 7936 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 732173040 is about 27058.6961991889. The cubic root of 732173040 is about 901.3038878394.

The spelling of 732173040 in words is "seven hundred thirty-two million, one hundred seventy-three thousand, forty".