7243738 has 8 divisors (see below), whose sum is σ = 10945332. Its totient is φ = 3595296.

The previous prime is 7243721. The next prime is 7243741. The reversal of 7243738 is 8373427.

It can be written as a sum of positive squares in 2 ways, for example, as 6880129 + 363609 = 2623^2 + 603^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12945 + ... + 13492.

Almost surely, 2^7243738 is an apocalyptic number.

7243738 is a deficient number, since it is larger than the sum of its proper divisors (3701594).

7243738 is a wasteful number, since it uses less digits than its factorization.

7243738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26576.

The product of its digits is 28224, while the sum is 34.

The square root of 7243738 is about 2691.4193281613. The cubic root of 7243738 is about 193.4880931541.

The spelling of 7243738 in words is "seven million, two hundred forty-three thousand, seven hundred thirty-eight".