733240 has 32 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 280192.

The previous prime is 733237. The next prime is 733241. The reversal of 733240 is 42337.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2⁷³³²⁴⁰ 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 733240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861840).

733240 is an abundant number, since it is smaller than the sum of its proper divisors (990440).

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

733240 is a wasteful number, since it uses less digits than its factorization.

733240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 733240 is about 856.2943419175. The cubic root of 733240 is about 90.1741484053.

Subtracting from 733240 its product of nonzero digits (504), we obtain a square (732736 = 856²).

Adding to 733240 its reverse (42337), we get a palindrome (775577).

The spelling of 733240 in words is "seven hundred thirty-three thousand, two hundred forty".