740140 has 24 divisors (see below), whose sum is σ = 1622880. Its totient is φ = 283008.

The previous prime is 740123. The next prime is 740141. The reversal of 740140 is 41047.

It is a happy number.

740140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (740141) 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, 345 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (67620).

2⁷⁴⁰¹⁴⁰ is an apocalyptic number.

It is an amenable number.

740140 is an abundant number, since it is smaller than the sum of its proper divisors (882740).

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

740140 is a wasteful number, since it uses less digits than its factorization.

740140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 740140 is about 860.3138962030. The cubic root of 740140 is about 90.4561206858.

Adding to 740140 its reverse (41047), we get a palindrome (781187).

The spelling of 740140 in words is "seven hundred forty thousand, one hundred forty", and thus it is an iban number.