735140 has 48 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 244992.

The previous prime is 735139. The next prime is 735143. The reversal of 735140 is 41537.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (735143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8216 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁷³⁵¹⁴⁰ is an apocalyptic number.

735140 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 735140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

735140 is an abundant number, since it is smaller than the sum of its proper divisors (1079260).

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

735140 is a wasteful number, since it uses less digits than its factorization.

735140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 735140 is about 857.4030557445. The cubic root of 735140 is about 90.2519688134.

Adding to 735140 its reverse (41537), we get a palindrome (776677).

The spelling of 735140 in words is "seven hundred thirty-five thousand, one hundred forty".