73189364 has 12 divisors (see below), whose sum is σ = 128213988. Its totient is φ = 36556800.

The previous prime is 73189339. The next prime is 73189399. The reversal of 73189364 is 46398137.

It can be written as a sum of positive squares in 2 ways, for example, as 16337764 + 56851600 = 4042^2 + 7540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (10684499).

Almost surely, 2^73189364 is an apocalyptic number.

It is an amenable number.

73189364 is a deficient number, since it is larger than the sum of its proper divisors (55024624).

73189364 is a wasteful number, since it uses less digits than its factorization.

73189364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946 (or 18944 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 73189364 is about 8555.0782579705. The cubic root of 73189364 is about 418.2949849593.

The spelling of 73189364 in words is "seventy-three million, one hundred eighty-nine thousand, three hundred sixty-four".