73125250 has 32 divisors (see below), whose sum is σ = 149340672. Its totient is φ = 26590000.

The previous prime is 73125233. The next prime is 73125253. The reversal of 73125250 is 5252137.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (73125253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10546 + ... + 16045.

It is an arithmetic number, because the mean of its divisors is an integer number (4666896).

Almost surely, 2^73125250 is an apocalyptic number.

73125250 is an abundant number, since it is smaller than the sum of its proper divisors (76215422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73125250 is a wasteful number, since it uses less digits than its factorization.

73125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26619 (or 26609 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 73125250 is about 8551.3303058647. The cubic root of 73125250 is about 418.1728069176.

Adding to 73125250 its reverse (5252137), we get a palindrome (78377387).

The spelling of 73125250 in words is "seventy-three million, one hundred twenty-five thousand, two hundred fifty".