743242641 has 8 divisors (see below), whose sum is σ = 992510400. Its totient is φ = 494734992.

The previous prime is 743242637. The next prime is 743242657. The reversal of 743242641 is 146242347.

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

It is not a de Polignac number, because 743242641 - 2² = 743242637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (743242681) 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, 187741 + ... + 191658.

It is an arithmetic number, because the mean of its divisors is an integer number (124063800).

Almost surely, 2^743242641 is an apocalyptic number.

It is an amenable number.

743242641 is a deficient number, since it is larger than the sum of its proper divisors (249267759).

743242641 is a wasteful number, since it uses less digits than its factorization.

743242641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380055.

The product of its digits is 32256, while the sum is 33.

The square root of 743242641 is about 27262.4767950383. The cubic root of 743242641 is about 905.8234077799.

Adding to 743242641 its reverse (146242347), we get a palindrome (889484988).

The spelling of 743242641 in words is "seven hundred forty-three million, two hundred forty-two thousand, six hundred forty-one".