740205 has 16 divisors (see below), whose sum is σ = 1316160. Its totient is φ = 394704.

The previous prime is 740191. The next prime is 740227. The reversal of 740205 is 502047.

It is a happy number.

It is not a de Polignac number, because 740205 - 2⁴ = 740189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (82260).

2⁷⁴⁰²⁰⁵ is an apocalyptic number.

It is an amenable number.

740205 is a deficient number, since it is larger than the sum of its proper divisors (575955).

740205 is a wasteful number, since it uses less digits than its factorization.

740205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5491 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 740205 is about 860.3516722829. The cubic root of 740205 is about 90.4587685973.

The spelling of 740205 in words is "seven hundred forty thousand, two hundred five".