730738 has 4 divisors (see below), whose sum is σ = 1096110. Its totient is φ = 365368.

The previous prime is 730727. The next prime is 730747. The reversal of 730738 is 837037.

730738 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 an emirpimes, since its reverse is a distinct semiprime: 837037 = 211 ⋅3967.

It can be written as a sum of positive squares in only one way, i.e., 613089 + 117649 = 783^2 + 343^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182683 + ... + 182686.

2⁷³⁰⁷³⁸ is an apocalyptic number.

730738 is a deficient number, since it is larger than the sum of its proper divisors (365372).

730738 is a wasteful number, since it uses less digits than its factorization.

730738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365371.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 730738 is about 854.8321472664. The cubic root of 730738 is about 90.0714658702.

The spelling of 730738 in words is "seven hundred thirty thousand, seven hundred thirty-eight".