731104 has 48 divisors (see below), whose sum is σ = 1645056. Its totient is φ = 316800.

The previous prime is 731057. The next prime is 731113. The reversal of 731104 is 401137.

731104 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 (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10879 + ... + 10945.

It is an arithmetic number, because the mean of its divisors is an integer number (34272).

2⁷³¹¹⁰⁴ 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 731104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822528).

731104 is an abundant number, since it is smaller than the sum of its proper divisors (913952).

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

731104 is a wasteful number, since it uses less digits than its factorization.

731104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 731104 is about 855.0461975823. The cubic root of 731104 is about 90.0865011971.

The spelling of 731104 in words is "seven hundred thirty-one thousand, one hundred four".