741606809 has 4 divisors (see below), whose sum is σ = 743627904. Its totient is φ = 739585716.

The previous prime is 741606797. The next prime is 741606847. The reversal of 741606809 is 908606147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 908606147 = 587 ⋅1547881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-741606809 is a prime.

It is a super-3 number, since 3×741606809³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (741606209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009997 + ... + 1010730.

It is an arithmetic number, because the mean of its divisors is an integer number (185906976).

Almost surely, 2^741606809 is an apocalyptic number.

It is an amenable number.

741606809 is a deficient number, since it is larger than the sum of its proper divisors (2021095).

741606809 is a wasteful number, since it uses less digits than its factorization.

741606809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021094.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 741606809 is about 27232.4587395263. The cubic root of 741606809 is about 905.1583654975.

The spelling of 741606809 in words is "seven hundred forty-one million, six hundred six thousand, eight hundred nine".