743381071 has 4 divisors (see below), whose sum is σ = 743436792. Its totient is φ = 743325352.

The previous prime is 743381057. The next prime is 743381081. The reversal of 743381071 is 170183347.

743381071 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 170183347 = 193 ⋅881779.

It is a cyclic number.

It is not a de Polignac number, because 743381071 - 2⁹ = 743380559 is a prime.

It is a super-2 number, since 2×743381071² = 1105230833442214082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743381011) 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, 5340 + ... + 38926.

It is an arithmetic number, because the mean of its divisors is an integer number (185859198).

Almost surely, 2^743381071 is an apocalyptic number.

743381071 is a deficient number, since it is larger than the sum of its proper divisors (55721).

743381071 is a wasteful number, since it uses less digits than its factorization.

743381071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55720.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 743381071 is about 27265.0155143913. The cubic root of 743381071 is about 905.8796412552.

The spelling of 743381071 in words is "seven hundred forty-three million, three hundred eighty-one thousand, seventy-one".