731472 has 60 divisors (see below), whose sum is σ = 2205216. Its totient is φ = 208320.

The previous prime is 731447. The next prime is 731483. The reversal of 731472 is 274137.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2197 + ... + 2507.

2⁷³¹⁴⁷² 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 731472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102608).

731472 is an abundant number, since it is smaller than the sum of its proper divisors (1473744).

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

731472 is a wasteful number, since it uses less digits than its factorization.

731472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 323 counting only the distinct ones).

The product of its digits is 1176, while the sum is 24.

The square root of 731472 is about 855.2613635609. The cubic root of 731472 is about 90.1016136260.

The spelling of 731472 in words is "seven hundred thirty-one thousand, four hundred seventy-two".