713440 has 96 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 225792.

The previous prime is 713417. The next prime is 713467. The reversal of 713440 is 44317.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54874 + ... + 54886.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2⁷¹³⁴⁴⁰ is an apocalyptic number.

713440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058400).

713440 is an abundant number, since it is smaller than the sum of its proper divisors (1403360).

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

713440 is a wasteful number, since it uses less digits than its factorization.

713440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 713440 is about 844.6537752239. The cubic root of 713440 is about 89.3550601840.

Adding to 713440 its reverse (44317), we get a palindrome (757757).

The spelling of 713440 in words is "seven hundred thirteen thousand, four hundred forty".