73125236 has 6 divisors (see below), whose sum is σ = 127969170. Its totient is φ = 36562616.

The previous prime is 73125233. The next prime is 73125253. The reversal of 73125236 is 63252137.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 6604900 = 8156^2 + 2570^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73125199 and 73125208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73125233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9140651 + ... + 9140658.

It is an arithmetic number, because the mean of its divisors is an integer number (21328195).

Almost surely, 2^73125236 is an apocalyptic number.

It is an amenable number.

73125236 is a deficient number, since it is larger than the sum of its proper divisors (54843934).

73125236 is a wasteful number, since it uses less digits than its factorization.

73125236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18281313 (or 18281311 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 73125236 is about 8551.3294872786. The cubic root of 73125236 is about 418.1727802309.

The spelling of 73125236 in words is "seventy-three million, one hundred twenty-five thousand, two hundred thirty-six".