743773738 has 8 divisors (see below), whose sum is σ = 1115777988. Its totient is φ = 371847744.

The previous prime is 743773733. The next prime is 743773763. The reversal of 743773738 is 837377347.

It can be written as a sum of positive squares in 2 ways, for example, as 733488889 + 10284849 = 27083^2 + 3207^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 743773691 and 743773700.

It is not an unprimeable number, because it can be changed into a prime (743773733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21120 + ... + 43972.

Almost surely, 2^743773738 is an apocalyptic number.

743773738 is a deficient number, since it is larger than the sum of its proper divisors (372004250).

743773738 is a wasteful number, since it uses less digits than its factorization.

743773738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39128.

The product of its digits is 2074464, while the sum is 49.

The square root of 743773738 is about 27272.2154948952. The cubic root of 743773738 is about 906.0391137173.

The spelling of 743773738 in words is "seven hundred forty-three million, seven hundred seventy-three thousand, seven hundred thirty-eight".