730109289 has 16 divisors (see below), whose sum is σ = 1198128512. Its totient is φ = 385112448.

The previous prime is 730109287. The next prime is 730109299. The reversal of 730109289 is 982901037.

It is not a de Polignac number, because 730109289 - 2¹ = 730109287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (730109287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336924 + ... + 1337469.

It is an arithmetic number, because the mean of its divisors is an integer number (74883032).

Almost surely, 2^730109289 is an apocalyptic number.

It is an amenable number.

730109289 is a deficient number, since it is larger than the sum of its proper divisors (468019223).

730109289 is a wasteful number, since it uses less digits than its factorization.

730109289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674416.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 730109289 is about 27020.5345802040. The cubic root of 730109289 is about 900.4562661820.

The spelling of 730109289 in words is "seven hundred thirty million, one hundred nine thousand, two hundred eighty-nine".