739440 has 120 divisors (see below), whose sum is σ = 2708160. Its totient is φ = 179712.

The previous prime is 739439. The next prime is 739463. The reversal of 739440 is 44937.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9321 + ... + 9399.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2⁷³⁹⁴⁴⁰ 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 739440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354080).

739440 is an abundant number, since it is smaller than the sum of its proper divisors (1968720).

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

739440 is a wasteful number, since it uses less digits than its factorization.

739440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 739440 is about 859.9069717126. The cubic root of 739440 is about 90.4275948858.

The spelling of 739440 in words is "seven hundred thirty-nine thousand, four hundred forty".