740259 has 40 divisors (see below), whose sum is σ = 1287440. Its totient is φ = 419904.

The previous prime is 740237. The next prime is 740279. The reversal of 740259 is 952047.

It is not a de Polignac number, because 740259 - 2⁵ = 740227 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (740279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19989 + ... + 20025.

It is an arithmetic number, because the mean of its divisors is an integer number (32186).

2⁷⁴⁰²⁵⁹ is an apocalyptic number.

740259 is a deficient number, since it is larger than the sum of its proper divisors (547181).

740259 is a wasteful number, since it uses less digits than its factorization.

740259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 740259 is about 860.3830542264. The cubic root of 740259 is about 90.4609682829.

It can be divided in two parts, 740 and 259, that added together give a palindrome (999).

The spelling of 740259 in words is "seven hundred forty thousand, two hundred fifty-nine".