732047220 has 336 divisors, whose sum is σ = 2511976320. Its totient is φ = 178599168.

The previous prime is 732047207. The next prime is 732047227. The reversal of 732047220 is 22740237.

732047220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (732047227) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 12407551 + ... + 12407609.

It is an arithmetic number, because the mean of its divisors is an integer number (7476120).

Almost surely, 2^732047220 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 732047220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255988160).

732047220 is an abundant number, since it is smaller than the sum of its proper divisors (1779929100).

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

732047220 is a wasteful number, since it uses less digits than its factorization.

732047220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 732047220 is about 27056.3711535749. The cubic root of 732047220 is about 901.2522568062.

Adding to 732047220 its reverse (22740237), we get a palindrome (754787457).

The spelling of 732047220 in words is "seven hundred thirty-two million, forty-seven thousand, two hundred twenty".