743773673 has 4 divisors (see below), whose sum is σ = 747667968. Its totient is φ = 739879380.

The previous prime is 743773651. The next prime is 743773691. The reversal of 743773673 is 376377347.

743773673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 376377347 = 103 ⋅3654149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743773673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743773573) 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, 1946861 + ... + 1947242.

It is an arithmetic number, because the mean of its divisors is an integer number (186916992).

Almost surely, 2^743773673 is an apocalyptic number.

It is an amenable number.

743773673 is a deficient number, since it is larger than the sum of its proper divisors (3894295).

743773673 is a wasteful number, since it uses less digits than its factorization.

743773673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894294.

The product of its digits is 1555848, while the sum is 47.

The square root of 743773673 is about 27272.2143032061. The cubic root of 743773673 is about 906.0390873237.

The spelling of 743773673 in words is "seven hundred forty-three million, seven hundred seventy-three thousand, six hundred seventy-three".