734448 has 80 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 203520.

The previous prime is 734443. The next prime is 734471. The reversal of 734448 is 844437.

734448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 857²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734443) by changing a digit.

734448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6811 + ... + 6917.

2⁷³⁴⁴⁴⁸ is an apocalyptic number.

734448 is a gapful number since it is divisible by the number (78) 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 734448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124928).

734448 is an abundant number, since it is smaller than the sum of its proper divisors (1515408).

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

734448 is a wasteful number, since it uses less digits than its factorization.

734448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 136 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 734448 is about 856.9994165692. Note that the first 3 decimals coincide. The cubic root of 734448 is about 90.2236413433.

The spelling of 734448 in words is "seven hundred thirty-four thousand, four hundred forty-eight".