734140 has 48 divisors (see below), whose sum is σ = 1741824. Its totient is φ = 257600.

The previous prime is 734131. The next prime is 734143. The reversal of 734140 is 41437.

734140 = T₇₅ + T₇₆ + ... + T₁₆₈.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10305 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (36288).

2⁷³⁴¹⁴⁰ 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 734140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870912).

734140 is an abundant number, since it is smaller than the sum of its proper divisors (1007684).

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

734140 is a wasteful number, since it uses less digits than its factorization.

734140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

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

The square root of 734140 is about 856.8197009873. The cubic root of 734140 is about 90.2110274406.

Adding to 734140 its reverse (41437), we get a palindrome (775577).

It can be divided in two parts, 7341 and 40, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 734140 in words is "seven hundred thirty-four thousand, one hundred forty".