730737 has 18 divisors (see below), whose sum is σ = 1228578. Its totient is φ = 417312.

The previous prime is 730727. The next prime is 730747. The reversal of 730737 is 737037.

730737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (730727) and next prime (730747).

It can be written as a sum of positive squares in only one way, i.e., 571536 + 159201 = 756^2 + 399^2 .

It is not a de Polignac number, because 730737 - 2¹⁰ = 729713 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 730737.

It is not an unprimeable number, because it can be changed into a prime (730727) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 388 + ... + 1269.

2⁷³⁰⁷³⁷ is an apocalyptic number.

It is an amenable number.

730737 is a deficient number, since it is larger than the sum of its proper divisors (497841).

730737 is a wasteful number, since it uses less digits than its factorization.

730737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 27.

The square root of 730737 is about 854.8315623560. The cubic root of 730737 is about 90.0714247832.

The spelling of 730737 in words is "seven hundred thirty thousand, seven hundred thirty-seven".