730364137 has 4 divisors (see below), whose sum is σ = 730431700. Its totient is φ = 730296576.

The previous prime is 730364113. The next prime is 730364143. The reversal of 730364137 is 731463037.

730364137 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 595896921 + 134467216 = 24411^2 + 11596^2 .

It is a 3-Lehmer number, since φ(730364137) divides (730364137-1)³.

It is a cyclic number.

It is not a de Polignac number, because 730364137 - 2¹⁹ = 729839849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730362137) 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, 13512 + ... + 40537.

It is an arithmetic number, because the mean of its divisors is an integer number (182607925).

It is a Poulet number, since it divides 2^730364136-1.

Almost surely, 2^730364137 is an apocalyptic number.

730364137 is the 13513-rd decagonal number.

It is an amenable number.

730364137 is a deficient number, since it is larger than the sum of its proper divisors (67563).

730364137 is a wasteful number, since it uses less digits than its factorization.

730364137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67562.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 730364137 is about 27025.2499895931. The cubic root of 730364137 is about 900.5610234591.

The spelling of 730364137 in words is "seven hundred thirty million, three hundred sixty-four thousand, one hundred thirty-seven".