730137 has 8 divisors (see below), whose sum is σ = 978336. Its totient is φ = 484352.

The previous prime is 730111. The next prime is 730139. The reversal of 730137 is 731037.

730137 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 730137 - 2¹⁴ = 713753 is a prime.

730137 is strictly pandigital in base 7.

730137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (730139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (122292).

2⁷³⁰¹³⁷ is an apocalyptic number.

It is an amenable number.

730137 is a deficient number, since it is larger than the sum of its proper divisors (248199).

730137 is a wasteful number, since it uses less digits than its factorization.

730137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 730137 is about 854.4805439564. The cubic root of 730137 is about 90.0467658188.

Subtracting 730137 from its reverse (731037), we obtain a square (900 = 30²).

The spelling of 730137 in words is "seven hundred thirty thousand, one hundred thirty-seven".