731052 has 48 divisors (see below), whose sum is σ = 2168320. Its totient is φ = 208656.

The previous prime is 731047. The next prime is 731053. The reversal of 731052 is 250137.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (731053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273 + ... + 1239.

2⁷³¹⁰⁵² 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 731052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084160).

731052 is an abundant number, since it is smaller than the sum of its proper divisors (1437268).

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

731052 is a wasteful number, since it uses less digits than its factorization.

731052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 731052 is about 855.0157893279. The cubic root of 731052 is about 90.0843653363.

Adding to 731052 its reverse (250137), we get a palindrome (981189).

The spelling of 731052 in words is "seven hundred thirty-one thousand, fifty-two".