741643 has 8 divisors (see below), whose sum is σ = 856800. Its totient is φ = 628800.

The previous prime is 741641. The next prime is 741661. The reversal of 741643 is 346147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 741643 - 2¹ = 741641 is a prime.

741643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (741641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (107100).

2⁷⁴¹⁶⁴³ is an apocalyptic number.

741643 is a deficient number, since it is larger than the sum of its proper divisors (115157).

741643 is a wasteful number, since it uses less digits than its factorization.

741643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its digits is 2016, while the sum is 25.

The square root of 741643 is about 861.1869715689. The cubic root of 741643 is about 90.5173089407.

The spelling of 741643 in words is "seven hundred forty-one thousand, six hundred forty-three".