743673663 has 16 divisors (see below), whose sum is σ = 1137280000. Its totient is φ = 479788920.

The previous prime is 743673649. The next prime is 743673673. The reversal of 743673663 is 366376347.

It is not a de Polignac number, because 743673663 - 2²² = 739479359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743673613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443413 + ... + 445086.

It is an arithmetic number, because the mean of its divisors is an integer number (71080000).

Almost surely, 2^743673663 is an apocalyptic number.

743673663 is a deficient number, since it is larger than the sum of its proper divisors (393606337).

743673663 is a wasteful number, since it uses less digits than its factorization.

743673663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888539 (or 888533 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 45.

The square root of 743673663 is about 27270.3806904121. The cubic root of 743673663 is about 905.9984759415.

The spelling of 743673663 in words is "seven hundred forty-three million, six hundred seventy-three thousand, six hundred sixty-three".