730836189 has 40 divisors (see below), whose sum is σ = 1113432320. Its totient is φ = 477640800.

The previous prime is 730836187. The next prime is 730836199. The reversal of 730836189 is 981638037.

It is a happy number.

It is not a de Polignac number, because 730836189 - 2¹ = 730836187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730836187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1157904 + ... + 1158534.

It is an arithmetic number, because the mean of its divisors is an integer number (27835808).

Almost surely, 2^730836189 is an apocalyptic number.

730836189 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

730836189 is a deficient number, since it is larger than the sum of its proper divisors (382596131).

730836189 is a wasteful number, since it uses less digits than its factorization.

730836189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 730836189 is about 27033.9821151084. The cubic root of 730836189 is about 900.7549997955.

It can be divided in two parts, 730836 and 189, that added together give a square (731025 = 855²).

The spelling of 730836189 in words is "seven hundred thirty million, eight hundred thirty-six thousand, one hundred eighty-nine".