741609 has 24 divisors (see below), whose sum is σ = 1212960. Its totient is φ = 447480.

The previous prime is 741599. The next prime is 741641. The reversal of 741609 is 906147.

741609 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 741609 - 2⁴ = 741593 is a prime.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 741609.

It is not an unprimeable number, because it can be changed into a prime (741679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3154 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (50540).

2⁷⁴¹⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

741609 is a deficient number, since it is larger than the sum of its proper divisors (471351).

741609 is a wasteful number, since it uses less digits than its factorization.

741609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 741609 is about 861.1672311462. The cubic root of 741609 is about 90.5159256895.

It can be divided in two parts, 7 and 41609, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 741609 in words is "seven hundred forty-one thousand, six hundred nine".