730181089 has 8 divisors (see below), whose sum is σ = 799896960. Its totient is φ = 661021200.

The previous prime is 730181057. The next prime is 730181107. The reversal of 730181089 is 980181037.

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 730181089 - 2⁵ = 730181057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730181789) 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, 136242 + ... + 141499.

It is an arithmetic number, because the mean of its divisors is an integer number (99987120).

Almost surely, 2^730181089 is an apocalyptic number.

It is an amenable number.

730181089 is a deficient number, since it is larger than the sum of its proper divisors (69715871).

730181089 is a wasteful number, since it uses less digits than its factorization.

730181089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277991.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 730181089 is about 27021.8631667026. The cubic root of 730181089 is about 900.4857826035.

The spelling of 730181089 in words is "seven hundred thirty million, one hundred eighty-one thousand, eighty-nine".