731934648 has 96 divisors (see below), whose sum is σ = 2063318400. Its totient is φ = 234206784.

The previous prime is 731934641. The next prime is 731934649. The reversal of 731934648 is 846439137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731934641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180661 + ... + 184667.

It is an arithmetic number, because the mean of its divisors is an integer number (21492900).

Almost surely, 2^731934648 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 731934648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031659200).

731934648 is an abundant number, since it is smaller than the sum of its proper divisors (1331383752).

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

731934648 is a wasteful number, since it uses less digits than its factorization.

731934648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4114 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 731934648 is about 27054.2907502673. The cubic root of 731934648 is about 901.2060571590.

It can be divided in two parts, 73193 and 4648, that added together give a square (77841 = 279²).

The spelling of 731934648 in words is "seven hundred thirty-one million, nine hundred thirty-four thousand, six hundred forty-eight".