740109 has 16 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 463680.

The previous prime is 740099. The next prime is 740123. The reversal of 740109 is 901047.

740109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 740109 - 2⁸ = 739853 is a prime.

It is a super-2 number, since 2×740109² = 1095522663762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740189) 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, 3999 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁷⁴⁰¹⁰⁹ is an apocalyptic number.

It is an amenable number.

740109 is a deficient number, since it is larger than the sum of its proper divisors (308211).

740109 is a wasteful number, since it uses less digits than its factorization.

740109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 740109 is about 860.2958793345. The cubic root of 740109 is about 90.4548577811.

The spelling of 740109 in words is "seven hundred forty thousand, one hundred nine".