734540 has 24 divisors (see below), whose sum is σ = 1624560. Its totient is φ = 278208.

The previous prime is 734537. The next prime is 734543. The reversal of 734540 is 45437.

734540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (734537) and next prime (734543).

It is not an unprimeable number, because it can be changed into a prime (734543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (67690).

2⁷³⁴⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

734540 is an abundant number, since it is smaller than the sum of its proper divisors (890020).

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

734540 is a wasteful number, since it uses less digits than its factorization.

734540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 734540 is about 857.0530905376. The cubic root of 734540 is about 90.2274084484.

Adding to 734540 its reverse (45437), we get a palindrome (779977).

The spelling of 734540 in words is "seven hundred thirty-four thousand, five hundred forty".