731061089 has 8 divisors (see below), whose sum is σ = 803610720. Its totient is φ = 659526400.

The previous prime is 731061073. The next prime is 731061101. The reversal of 731061089 is 980160137.

731061089 is digitally balanced in base 2, 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 731061089 - 2⁴ = 731061073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (731067089) 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, 252224 + ... + 255105.

It is an arithmetic number, because the mean of its divisors is an integer number (100451340).

Almost surely, 2^731061089 is an apocalyptic number.

It is an amenable number.

731061089 is a deficient number, since it is larger than the sum of its proper divisors (72549631).

731061089 is a wasteful number, since it uses less digits than its factorization.

731061089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507471.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 731061089 is about 27038.1413747321. The cubic root of 731061089 is about 900.8473866742.

The spelling of 731061089 in words is "seven hundred thirty-one million, sixty-one thousand, eighty-nine".