7289738 has 8 divisors (see below), whose sum is σ = 10949988. Its totient is φ = 3639744.

The previous prime is 7289731. The next prime is 7289741. The reversal of 7289738 is 8379827.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6235009 + 1054729 = 2497^2 + 1027^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7289731) 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, 431 + ... + 3842.

Almost surely, 2^7289738 is an apocalyptic number.

7289738 is a deficient number, since it is larger than the sum of its proper divisors (3660250).

7289738 is a wasteful number, since it uses less digits than its factorization.

7289738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128.

The product of its digits is 169344, while the sum is 44.

The square root of 7289738 is about 2699.9514810455. The cubic root of 7289738 is about 193.8967991866.

The spelling of 7289738 in words is "seven million, two hundred eighty-nine thousand, seven hundred thirty-eight".