740120 has 16 divisors (see below), whose sum is σ = 1665360. Its totient is φ = 296032.

The previous prime is 740099. The next prime is 740123. The reversal of 740120 is 21047.

It is a happy number.

It is a super-2 number, since 2×740120² = 1095555228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 740095 and 740104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740123) by changing a digit.

740120 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 3 ways as a sum of consecutive naturals, for example, 9212 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (104085).

2⁷⁴⁰¹²⁰ is an apocalyptic number.

It is an amenable number.

740120 is an abundant number, since it is smaller than the sum of its proper divisors (925240).

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

740120 is a wasteful number, since it uses less digits than its factorization.

740120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18514 (or 18510 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 740120 is about 860.3022724601. The cubic root of 740120 is about 90.4553059126.

Adding to 740120 its reverse (21047), we get a palindrome (761167).

The spelling of 740120 in words is "seven hundred forty thousand, one hundred twenty", and thus it is an iban number.