731696 has 40 divisors (see below), whose sum is σ = 1666560. Its totient is φ = 304704.

The previous prime is 731683. The next prime is 731711. The reversal of 731696 is 696137.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 731696.

It is an unprimeable number.

731696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195 + ... + 5333.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2⁷³¹⁶⁹⁶ 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 731696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833280).

731696 is an abundant number, since it is smaller than the sum of its proper divisors (934864).

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

731696 is a wasteful number, since it uses less digits than its factorization.

731696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 195 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 731696 is about 855.3923076577. The cubic root of 731696 is about 90.1108100143.

The spelling of 731696 in words is "seven hundred thirty-one thousand, six hundred ninety-six".