743045738 has 8 divisors (see below), whose sum is σ = 1124432388. Its totient is φ = 368234944.

The previous prime is 743045731. The next prime is 743045761. The reversal of 743045738 is 837540347.

It can be written as a sum of positive squares in 2 ways, for example, as 576816289 + 166229449 = 24017^2 + 12893^2 .

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 = 743045695 and 743045704.

It is not an unprimeable number, because it can be changed into a prime (743045731) 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, 1643681 + ... + 1644132.

Almost surely, 2^743045738 is an apocalyptic number.

743045738 is a deficient number, since it is larger than the sum of its proper divisors (381386650).

743045738 is a wasteful number, since it uses less digits than its factorization.

743045738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287928.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 743045738 is about 27258.8653102069. The cubic root of 743045738 is about 905.7434091856.

The spelling of 743045738 in words is "seven hundred forty-three million, forty-five thousand, seven hundred thirty-eight".